131*21+722:2

To solve the expression \(131 \times 21 + 722 \div 2\), follow the order of operations (multiplication and division first, then addition).

1. Calculate \(131 \times 21\): \[ 131 \times 21 = 2751 \]

2. Calculate \(722 \div 2\): \[ 722 \div 2 = 361 \]

3. Add the results: \[ 2751 + 361 = 3112 \]

Therefore, the final result is \(3112\).