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: [[-42, 45], [-13, 2, 19, -35, -42], [35, 25, 15, 49, -41]]

[-1890, -726180, -26368125]