Y add -16.5 sub add add mul 4.7700000000000005 tan add mul 6.5 x_2 mul -85.9 pow2 add 0.451 mul 7.67 x_3 mul -0.751 x_1 sub mul 73.60000000000001 x_0 mul -42.300000000000004 exp add -3.81 mul -36.300000000000004 x_2 mul 63.6 log add 34.1 mul -0.438 x_4