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: [[-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: [[13, -48], [-46, -28], [46, -20, -3, -10], [49, 34], [-14, -31], [7, 44, -7, 15]]

SOLUTION: [-624, 1288, -27600, 1666, 434, -32340]

PROBLEM: [[3, 9, 37, -40, 39], [27, 2, -34], [-30, -7, 43], [-9, -43], [-31, 21], [-43, -15, 12, 11], [19, -25]]

SOLUTION:
[-1558440, -1836, 9030, 387, -651, 85140, -475]