Y add -42.2 sub mul -15.0 exp add -0.6890000000000001 mul -61.400000000000006 x_1 mul 0.451 div mul sub mul 39.300000000000004 x_2 mul 47.800000000000004 tan sub mul 0.169 x_4 mul -0.542 pow2 add -0.268 mul -0.094 x_4 add add mul -80.30000000000001 x_2 mul 61.0 x_3 mul -0.884 x_0 add mul 3.67 pow3 add 0.34900000000000003 mul 0.8190000000000001 x_2 mul -0.46900000000000003 x_4