Y add -4.04 div div exp add -47.300000000000004 mul 0.988 x_2 div x_4 x_0 add mul 5.01 exp add 0.771 mul -0.709 div exp add -53.6 mul -0.326 x_2 x_4 add mul 17.900000000000002 x_1 mul 15.700000000000001 x_3