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: [[1, -7, -30, 7], [31, 49, 3], [-6, 18, -42, -10], [40, 39, 9, -37, -18], [-8, 46, -19, 4, -49], [-9, 1, 45, -27], [-26, -49, -1, 42, -5], [-28, -32], [-20, -1, 28], [30, 46]]

[1470, 4557, -45360, 9350640, -1370432, 10935, 267540, 896, 560, 1380]