Y add -3.2600000000000002 mul mul div add mul 6.93 mul div sqrt add 61.800000000000004 mul -0.046 x_3 add mul -44.300000000000004 x_1 sub mul -0.334 x_5 mul -31.700000000000003 x_7 x_2 mul 0.593 x_0 exp add -1.61 mul -7.5 x_3 x_6 pow3 add 0.873 mul 0.622 x_4