Y add -61.5 add mul -4.61 inv add 3.8000000000000003 mul 2.27 x_2 sub mul 49.1 pow2 add -9.49 mul -50.800000000000004 x_1 mul 0.754 abs add 5.7 mul -5.8500000000000005 mul x_3 inv add 2.97 mul -1.8 x_0