Y add 70.8 sub sub mul -8.1 x_3 mul -0.7020000000000001 div x_4 mul sub sub mul -0.32 inv add -0.152 mul -84.9 x_6 mul -3.12 x_2 mul -0.398 x_7 div mul inv add -0.6900000000000001 mul -84.4 x_5 x_2 exp add -0.468 mul 2.61 x_0 mul -75.2 x_1