81:9×8

To solve the expression \(81 : 9 \times 8\), first perform the division and then the multiplication:

1. First, divide \(81\) by \(9\): \[ 81 \div 9 = 9 \]

2. Then, multiply the result by \(8\): \[ 9 \times 8 = 72 \]

So, \(81 : 9 \times 8 = 72\).