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: [[-4, 47, -21], [0, -1, 18, -30], [17, 3], [-19, -16], [49, 30, -37, 35, -21], [-28, 13, -46, 37, 40]]

[3948, 0, 51, 304, 39976650, 24781120]