Y add 2.1 sub mul -5.61 x_0 mul 69.9 div sub mul -0.681 x_2 mul 4.8500000000000005 mul add mul 0.018000000000000002 inv add -0.742 mul 0.777 x_1 mul -7.03 x_2 add mul -53.6 mul x_1 pow3 add 35.300000000000004 mul 0.56 x_0 mul -0.396 x_1 x_3