Y add 8.86 add mul -2.11 mul abs add 85.10000000000001 mul -1.69 x_3 mul x_4 sub mul 34.0 exp add -9.370000000000001 mul -4.79 x_3 mul 77.5 tan add 35.2 mul -83.60000000000001 mul x_1 mul x_3 x_0 mul 0.681 x_2