If 2+6+5=121056, 3+7+4=211270 and 6+5+3=301899 then 7+4+2 =??
7×4=28, 7×2= 14, 7+4=11, 7+2=9, 11×9=99. Hence 7+4+2= 281499
If
2 3 = 9 5 4 = 26 6 2 = 13
Then
7 4 = ??