 &  & Triangle & Quadrilateral & Length & Angle & Area & Size & Angle \\
\midrule
\multirow{13}{*}{Eval-Synthetic (In-Domain)} & \multicolumn{2}{c}{Random} & 50.0 & 50.0 & 20.0 & 20.0 & 20.0 & 33.3 & 20.0 \\
\cmidrule{2-11}
 & \multirow{2}{*}{Phi-3.5-vision} & Original & 54.0 & 55.0 & 15.0 & 22.0 & 21.0 & 39.0 & 20.0 & 32.3 \\
 &  & Fine-tuned & 62.0 & 50.0 & 27.0 & 25.0 & 29.0 & 87.0 & 28.0 & 44.0 \\
\cmidrule{2-11}
 & \multirow{2}{*}{Qwen2-VL-2B} & Original & 50.0 & 50.0 & 31.0 & 23.0 & 20.0 & 38.0 & 23.0 & 33.6 \\
 &  & Fine-tuned & 69.0 & 68.0 & 41.0 & 28.0 & 56.0 & 100.0 & 20.0 & 54.6 \\
\cmidrule{2-11}
 & \multirow{2}{*}{Qwen2-VL-7B} & Original & 58.0 & 59.0 & 24.0 & 18.0 & 22.0 & 58.0 & 21.0 & 37.1 \\
 &  & Fine-tuned & 77.0 & 73.0 & 71.0 & 42.0 & 68.0 & 100.0 & 24.0 & 65.0 \\
\cmidrule{2-11}
 & \multirow{2}{*}{InternVL2-4B} & Original & 50.0 & 51.0 & 21.0 & 24.0 & 18.0 & 57.0 & 18.0 & 34.1 \\
 &  & Fine-tuned & 74.0 & 75.0 & 64.0 & 29.0 & 39.0 & 100.0 & 23.0 & 57.7 \\
\cmidrule{2-11}
 & \multirow{2}{*}{InternVL2-8B} & Original & 51.0 & 57.0 & 21.0 & 17.0 & 23.0 & 46.0 & 30.0 & 35.0 \\
 &  & Fine-tuned & 76.0 & 76.0 & 78.0 & 36.0 & 66.0 & 100.0 & 20.0 & 64.6 \\
\cmidrule{2-11}
 & \multirow{2}{*}{InternVL2-26B} & Original & 51.0 & 53.0 & 30.0 & 23.0 & 21.0 & 72.0 & 25.0 & 39.3 \\
 &  & Fine-tuned & 69.0 & 72.0 & 73.0 & 38.0 & 63.0 & 100.0 & 26.0 & 63.0 \\
\cmidrule{2-11}
\multirow{13}{*}{Eval-Real (Out-of-Domain)} & \multicolumn{2}{c}{Random} & 50.0 & 50.0 & 20.0 & 20.0 & 20.0 & -- & -- \\
\cmidrule{2-11}
 & \multirow{2}{*}{Phi-3.5-vision} & Original & 48.0 & 50.0 & 17.0 & 17.0 & 27.0 & -- & -- & 31.8 \\
 &  & Fine-tuned & 48.0 & 50.0 & 20.0 & 21.0 & 21.0 & -- & -- & 32.0 \\
\cmidrule{2-11}
 & \multirow{2}{*}{Qwen2-VL-2B} & Original & 43.0 & 44.0 & 15.0 & 19.0 & 26.0 & -- & -- & 29.4 \\
 &  & Fine-tuned & 62.0 & 63.0 & 39.0 & 27.0 & 28.0 & -- & -- & 43.8 \\
\cmidrule{2-11}
 & \multirow{2}{*}{Qwen2-VL-7B} & Original & 50.0 & 50.0 & 23.0 & 19.0 & 34.0 & -- & -- & 35.2 \\
 &  & Fine-tuned & 55.0 & 59.0 & 51.0 & 33.0 & 43.0 & -- & -- & 48.2 \\
\cmidrule{2-11}
 & \multirow{2}{*}{InternVL2-4B} & Original & 50.0 & 56.0 & 30.0 & 17.0 & 18.0 & -- & -- & 34.2 \\
 &  & Fine-tuned & 67.0 & 63.0 & 37.0 & 30.0 & 33.0 & -- & -- & 46.0 \\
\cmidrule{2-11}
 & \multirow{2}{*}{InternVL2-8B} & Original & 44.0 & 36.0 & 29.0 & 30.0 & 27.0 & -- & -- & 33.2 \\
 &  & Fine-tuned & 69.0 & 52.0 & 70.0 & 26.0 & 45.0 & -- & -- & 52.4 \\
\cmidrule{2-11}
 & \multirow{2}{*}{InternVL2-26B} & Original & 44.0 & 47.0 & 24.0 & 22.0 & 26.0 & -- & -- & 32.6 \\
 &  & Fine-tuned & 68.0 & 58.0 & 70.0 & 31.0 & 48.0 & -- & -- & 55.0 \\
\cmidrule{2-11}
