Y add -8.5 mul div x_5 mul sub mul 15.4 tan add -45.7 mul 0.626 x_7 mul 81.80000000000001 div tan add -0.062 mul -7.37 x_2 x_0 x_3 div x_4 add mul -4.28 pow3 add -0.297 mul 0.011 x_1 mul 81.0 exp add 6.69 mul -0.707 x_6