Y add 58.2 mul div x_0 sub mul -2.59 inv sub mul 17.900000000000002 mul x_0 x_1 mul 0.41500000000000004 x_1 add mul -40.1 x_4 mul 56.2 x_2 div pow2 add -0.646 mul -7.75 x_4 tan add mul 82.10000000000001 pow2 add 0.403 mul -0.04 x_3 mul 78.60000000000001 x_4