Y add -6.6000000000000005 sub mul 6.37 mul add mul -1.7000000000000002 x_1 mul -13.700000000000001 x_4 div tan add 0.681 mul -0.245 x_0 sin add 67.2 mul 4.34 x_3 add sub add mul 3.48 exp add add mul 5.2 x_5 mul -0.893 x_6 mul -9.14 x_7 mul 7.59 x_5 mul -67.5 x_2 mul 4.5200000000000005 div x_1 cos add -1.3 mul -53.800000000000004 x_4