Y add 6.57 mul sqrt add 62.1 mul -0.9570000000000001 x_2 sub mul 0.908 tan add -63.900000000000006 mul -2.75 x_1 add add mul -56.800000000000004 x_0 mul 49.900000000000006 x_3 mul 76.60000000000001 x_4