Y add -4.5 mul div exp add -0.658 mul -0.137 mul cos add 62.800000000000004 mul -0.062 x_0 abs add -9.08 mul -0.08600000000000001 x_1 sub mul 85.80000000000001 x_2 mul -1.55 x_3 sin add 5.97 mul 0.906 x_1