Y add -81.4 sub mul -0.28600000000000003 mul x_1 add mul 9.08 x_5 mul -32.800000000000004 div sub add mul -26.200000000000003 x_2 mul 0.34700000000000003 x_2 mul -2.17 x_4 mul x_0 exp add 8.0 mul -0.03 x_3 add mul 99.2 x_4 mul 76.80000000000001 sin add -7.67 mul 7.140000000000001 x_6