Y add -2.57 mul x_2 div sub mul -0.403 exp add -8.8 mul -0.28300000000000003 x_3 mul -8.85 div sub mul -2.9000000000000004 x_6 mul -0.67 exp sub mul -0.07100000000000001 inv add 0.506 mul -7.46 x_4 mul -4.46 x_1 x_5 x_0