Y add 14.700000000000001 div div x_4 sub mul 0.531 tan add 32.800000000000004 mul -1.81 div add mul -1.21 x_1 mul 0.09 sin add 0.386 mul 8.65 x_2 inv add -71.2 mul -4.800000000000001 x_3 mul 7.69 x_1 pow2 add -0.745 mul 6.57 x_0