Y add -1.35 sub mul -1.41 x_4 sub mul -0.466 x_6 sub mul -0.20400000000000001 mul div exp add 95.7 mul -0.498 mul x_0 x_5 x_7 pow3 add -0.722 mul 0.863 mul x_1 inv add -4.41 mul 67.3 x_2 mul 13.600000000000001 x_3