4X3=12 2X4=08 9X9=81 0X2=00

Answer 9X9=81 2X2=04 3X0=00 4X4=16

Answer = 81040016

If 5+3+2 = 151022 9+2+4 = 183652 8+6+3 = 482466 5+4+5 = 202541 THEN 7+2+5 = ?