Y add -0.52 sub add add mul 0.038 x_4 add mul -63.0 x_3 mul -1.79 pow2 add -2.27 mul -0.49 x_4 mul -0.23500000000000001 x_7 add mul -6.1000000000000005 mul div add mul 71.7 x_7 mul 37.4 mul x_1 x_2 x_6 add mul 0.664 x_0 sub mul -7.800000000000001 x_0 mul 4.04 x_6 mul 4.24 x_5