Y add -0.6900000000000001 mul tan add -0.597 mul -0.9500000000000001 x_1 mul tan add -76.80000000000001 mul -1.72 mul pow3 add 78.5 mul 55.400000000000006 x_0 inv sub mul 18.7 x_0 mul 0.8170000000000001 x_0 x_0