Y add -87.0 add mul -3.41 x_1 sub mul -31.900000000000002 mul sub mul -24.700000000000003 x_3 mul 49.300000000000004 div pow3 add 6.24 mul -0.41600000000000004 x_5 x_4 add add mul -83.80000000000001 div x_6 x_1 mul 0.07 x_7 mul 6.72 tan add 1.23 mul -0.145 x_2 mul 0.05 x_0