Y add 0.336 add add mul 6.34 x_2 mul 7.08 x_3 sub mul -16.7 x_4 add add mul -29.6 exp add -7.8100000000000005 mul 3.3200000000000003 x_0 mul 89.80000000000001 pow2 add 4.5 mul -82.0 x_1 mul -0.929 x_3