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.
[[-7, 47, -13, -17, -15], [37, 26, -17], [47, -33, -20, -30], [31, -7, -15], [-32, -10, -39, 21, 40], [-19, -9, -32, 19], [48, 12, -15, -11]]