Y add -0.673 div x_1 mul exp add -1.02 mul -70.8 x_5 div sub mul -17.7 x_3 mul 78.60000000000001 pow2 add -54.300000000000004 mul 59.6 mul x_6 pow2 add 3.94 mul 7.0 x_4 sub mul -0.8190000000000001 mul x_7 cos add 48.2 mul 0.465 x_0 mul -0.647 x_2