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.
[[-3, 43, 2, -49], [-11, 22, -4], [37, -44, -25, 45, -31], [16, -11, 15], [38, -1, -32], [-47, -7]]