TASK 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.
PROBLEM: [[21, 36, -3, 4], [49, -14, -48, -14, -4], [-30, 9, 39, 6]]

SOLUTION: [-9072, 1843968, -63180]

PROBLEM: [[-4, 31, 21, -10, -19], [-19, -15, -30, 34], [28, -10, -36, 48, 18], [-36, -38, -46, -8], [-41, 17, 16, -3, -37], [8, 20, -12, -43], [-11, 10], [43, -8, -10, -45, -43], [-19, 18, 31], [-18, -5]]

SOLUTION: [-494760, -290700, 8709120, 503424, -1237872, 82560, -110, 6656400, -10602, 90]

PROBLEM: [[19, 21, 49], [-47, -12, 31, 0], [12, -6, -43, -17, 15], [-5, -32, -18], [45, 0], [-11, 20, -2, -25, 8], [-20, -39], [39, -21, 35, -14], [-3, -17, -33, -18, -37], [17, 13, 25, -20]]

SOLUTION:
[19551, 0, -789480, -2880, 0, -88000, 780, 401310, -1120878, -110500]