Y add -27.400000000000002 sub add mul -76.60000000000001 inv add -57.300000000000004 mul 78.4 x_4 mul 7.2 mul mul x_0 x_1 x_3 sub mul 81.9 x_1 mul 50.800000000000004 cos add 53.5 mul 0.8240000000000001 x_2