...先于乘法问题的 Solidity 合约示例：
```
1pragma solidity 0.8.20;
2
3contract DivisionBeforeMultiplication {
4 uint public result;
5
6 function calculateWrong(uint a, uint b, uint c, uint d) external {
7 result = a * d + b / c * b / d;
8 }
9
10 function calculateAlso...