Y add 1.78 div add add mul -0.18 x_4 add add mul 62.7 sqrt add 13.600000000000001 mul -0.513 x_2 mul -0.848 inv sub mul -0.5 x_7 mul -7.97 x_5 mul -8.36 x_3 mul 0.486 x_0 abs sub mul -24.8 x_6 mul 0.293 tan add -61.7 mul -1.56 x_1