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: [[26, -10, -31], [-40, 38, 2, 28, 31], [-3, -39, 47], [28, -38], [36, 26], [7, -7]]

[8060, -2638720, 5499, -1064, 936, -49]