Task: Program Execution
Input (English): [[21, -25, -12, 31], [31, 9, 39], [13, 40, -34, 22, 3], [5, 9, -49, -8, -42], [18, 29, -31], [37, -46, -47, 1, -38], [-8, 31, -29, -45, 2], [-50, -45, 46, -14, -38]]
Output (English): [-12, 0, -29920, 336, 18, 1748, -16, -1223600]