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: [[21, -43], [47, 23], [-40, 6, -11, 13], [46, 14, 2], [-13, 28, 35]]

[-903, 1081, 34320, 1288, -12740]