Y add 73.3 div sub mul -0.41400000000000003 div sub add mul 0.154 x_1 mul 0.521 x_5 mul 57.2 x_4 add mul -1.59 x_3 mul 63.400000000000006 x_0 mul 6.48 mul div x_4 x_2 x_2 div exp add 9.75 mul -0.843 x_3 x_1