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: [[-20, 11], [-1, -20], [31, -50, -30, -29, -5], [17, -9, -31], [-23, 14, -40]]

SOLUTION: [-220, 20, 6742500, 4743, 12880]

PROBLEM: [[-7, 47, -13, -17, -15], [37, 26, -17], [47, -33, -20, -30], [31, -7, -15], [-32, -10, -39, 21, 40], [-19, -9, -32, 19], [48, 12, -15, -11]]

SOLUTION: [1090635, -16354, -930600, 3255, -10483200, -103968, 95040]

PROBLEM: [[-50, -28], [24, 33, -19], [-30, -25], [-3, 37, -23, 40]]

SOLUTION:
[1400, -15048, 750, 102120]