Y add -7.99 div x_4 sub mul 0.43 pow2 add 76.2 mul 4.3500000000000005 x_1 mul 9.21 mul x_2 add mul 58.900000000000006 exp add -83.10000000000001 mul -0.40900000000000003 x_3 sub mul -0.232 x_3 add mul 6.800000000000001 x_4 mul 0.962 x_0