Y add 8.6 sub sub mul -1.8 x_0 mul -0.891 x_2 mul -91.10000000000001 mul add mul -8.72 mul exp add 99.80000000000001 mul 24.3 x_3 tan add 0.406 mul -7.23 x_0 add mul 6.800000000000001 x_1 mul 53.1 pow2 add 0.10400000000000001 mul 8.81 x_1 sin add 46.300000000000004 mul 0.51 x_1