Y add -42.2 mul x_4 div add mul 18.5 div x_3 sub mul -0.538 x_5 mul -0.725 pow2 add 15.600000000000001 mul -6.69 x_6 mul 5.79 x_3 div x_0 add mul 65.10000000000001 x_1 mul -0.668 log add 59.800000000000004 mul 9.74 x_2