Y add -0.937 add mul 58.900000000000006 mul abs add mul -68.10000000000001 x_4 mul 64.4 x_4 add sub mul -7.4 x_2 mul -21.700000000000003 x_0 mul 6.8100000000000005 tan add -1.01 mul 0.281 x_3 mul 3.06 x_1