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: [[-4, 36], [48, 47, 30], [-20, -15, -1], [-3, -31, -10], [17, -16, 29], [-41, -20, 20, 15], [-16, 42, 30, -45], [43, -31, 47], [-23, 28, -14, -11, 31]]

[-144, 67680, -300, -930, -7888, 246000, 907200, -62651, -3074456]