Let x and y represent two numbers. The new operations ~, $ and @ are defined as follows:
Let a and b be numbers. Define a~b to be 1*a*b.
Let a and b be numbers. Define a$b to be (a + b)/b.
Let a and b be numbers. Define a@b to be (a + b)/b.
Calculate (3~4)$5@6.
Return your answer with format <<<list of values and symbols>>>