Y add 0.115 mul div div sub mul 5.0200000000000005 x_0 sub mul -0.074 tan add -70.8 mul 0.8170000000000001 x_3 mul 81.60000000000001 x_2 add mul 0.248 x_4 add add mul 0.97 x_3 mul -0.609 x_0 mul 0.517 x_2 inv add 9.31 mul -1.95 x_4 exp add -0.8170000000000001 mul -54.2 x_1