Y add -8.36 add mul -66.8 x_2 mul 47.2 div x_6 add mul 0.038 x_1 add mul -0.29 x_0 mul -82.60000000000001 div sub mul -80.2 div add mul -87.7 x_2 mul 4.800000000000001 x_5 x_4 mul -2.25 x_2 exp add mul -55.800000000000004 x_7 mul 0.848 x_3