Y add -8.31 div div abs add 0.614 mul -0.006 x_4 mul div add mul -0.20700000000000002 tan sub mul 0.012 x_6 mul 6.0600000000000005 x_2 mul -0.933 x_1 pow2 add mul -18.5 x_0 mul -0.833 x_5 x_3 add mul -14.9 x_7 mul -14.200000000000001 x_3