Y add 9.78 mul cos add -7.1000000000000005 mul -0.98 x_6 div div pow2 add -0.891 mul 0.852 div x_3 x_7 x_5 add add mul -18.2 mul abs add -0.756 mul -31.8 x_4 x_0 mul 80.60000000000001 x_1 mul -2.17 x_2