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: [[26, 3, -23, -22], [31, 30, -32, -22, -24], [15, -44, 48]]

[39468, -15713280, -31680]