Y add 0.429 div mul sub mul 31.900000000000002 x_0 mul -6.08 pow2 add mul -55.6 log add 9.61 mul 0.5 x_1 mul -21.8 pow3 add -6.75 mul 90.30000000000001 x_3 x_2 pow3 add -2.16 mul 0.34900000000000003 x_1