Y add 2.66 div sub mul -2.17 mul div add mul 6.42 exp add -0.454 mul -73.2 x_1 mul -5.63 abs sub mul -4.800000000000001 x_0 mul -0.37 x_3 pow3 add -0.453 mul 0.614 x_3 x_2 mul -2.3000000000000003 x_3 x_3