Definition: In this task you will be given a list of lists, of numbers. For every inner list, you should multiply every number in that list and put the results in your answer. The output should be a list of numbers with the same length as the number of the lists in the input list.
Input: [[-20, 49, -41, -22], [46, -19, 0, 22], [3, -49], [38, -50, 12, 28], [40, -24], [37, -43, -36, -49], [31, 45, -48]]

[-883960, 0, -147, -638400, -960, -2806524, -66960]