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, 12], [12, 3, -30, -50], [16, 7], [12, -10, 24, -31, -21], [-25, -50, -32, -45, -8], [28, -35, -46, -24], [30, 6, 16], [37, 15, 7, -24, -40], [-36, 13, -30, -30, -43], [-21, -36, -13]]

[-252, 54000, 112, -1874880, -14400000, -1081920, 2880, 3729600, 18111600, -9828]