Y add -31.900000000000002 div x_1 div x_0 div exp add 0.26 mul 0.14300000000000002 mul x_3 x_4 sub mul -7.98 pow3 add 9.84 mul -0.744 x_0 sub mul 0.871 pow2 add -0.497 mul -2.18 x_4 mul 0.666 tan add sub mul -77.2 x_0 mul -26.3 x_0 mul -0.764 x_2