Y add 9.91 mul div add add sub mul 28.1 x_5 add mul -2.45 x_0 mul 0.417 x_2 mul -6.04 x_4 add mul -89.60000000000001 x_5 mul 92.4 x_6 div tan add 0.388 mul -0.15 x_5 x_2 add sub mul -57.7 x_3 mul -0.912 x_1 mul -83.7 exp add -4.2 mul -4.21 x_7