Task: Program Execution
Input (English): [[41, -18, -21, 50], [-5, 43, 30], [2, -9, 24, 31, 14], [-10, 33, -30], [-15, 31, -43, -48, -23], [2, 28, -2, 15], [-12, -38]]
Output (English): [-900, 30, 672, 300, -48, -112, 456]