1) = ( 32 + 38 ) + ( 47 + 23 ) = 70 + 70 = 140
2) = ( 230 + 70 ) + ( 80 + 120 ) = 300 + 200 = 500
3) = ( 4 * 25 ) * 9 = 100 * 9 = 900
4) = ( 2 * 50 ) * 23 = 100 * 23 = 2300
5) = ( 235 + 115 ) + 126 = 350 + 126 = 476
6) = (25 * 2) * ( 50 * 2 ) = 50 * 100 = 5000