Y add -8.06 div add mul -7.16 inv add 9.120000000000001 mul -0.09 x_0 add add mul 6.6000000000000005 x_2 mul -0.354 x_1 mul -84.9 x_3 sin sub mul -28.1 x_1 sub mul 0.9470000000000001 x_2 mul 0.648 exp add 0.795 mul 0.369 x_3