Answer:
1834.37
Step-by-step explanation:
2x (35.7x25.5) + 2x (35.7x15.1) + 2x(25.5x15.1)
=2(910.35) + 2(539.07) + 2(385.05)
=2(910.35+539.07+385.05)
=1834.37