Y add -0.021 sub mul 6.19 pow3 add -6.9 mul -8.8 x_3 mul -0.577 div add mul 83.30000000000001 x_0 mul 0.8140000000000001 tan add 0.53 mul -6.59 mul x_1 x_4 sub mul -86.10000000000001 x_1 mul -40.7 x_2