Y add -0.35000000000000003 div x_2 mul mul mul mul inv sub mul 0.87 x_2 mul -7.8500000000000005 x_3 sub mul 7.8100000000000005 x_3 mul 64.7 div mul pow2 add -0.097 mul 7.2 div x_1 log add 50.5 mul 0.855 x_2 x_4 x_0 mul x_6 x_5 x_3 cos add -2.48 mul -0.261 x_7