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: [[13, -31, -7, -21], [0, -36, -30], [-11, 19], [-16, -39, -29, -3, 23], [6, 2, -17, 48, -45], [-42, 37, 31, -6, -43], [10, -39, 41], [-5, 23, 16], [9, 5]]

[-59241, 0, -209, 1248624, 440640, -12428892, -15990, -1840, 45]