Y add -13.8 div cos add 7.4 mul -26.400000000000002 x_3 add sub add mul 0.58 x_1 mul -4.66 pow3 sub mul 26.400000000000002 tan add 0.082 mul 1.56 x_0 mul -71.7 x_5 mul 51.800000000000004 x_4 mul -17.400000000000002 div cos add 5.0200000000000005 mul 0.71 x_6 x_2