Y add -1.27 div inv add -0.279 mul 0.559 x_4 sub mul -0.078 mul mul tan add -29.900000000000002 mul -10.200000000000001 x_1 mul mul x_2 div div x_2 x_3 x_2 abs add -0.3 mul -0.28600000000000003 x_0 x_2 mul -8.8 x_1