| from langchain.tools import tool | |
| class CalculatorTools(): | |
| def calculate(operation): | |
| """Useful to perform any mathematical calculations, | |
| like sum, minus, multiplication, division, etc. | |
| The input to this tool should be a mathematical | |
| expression, a couple examples are `200*7` or `5000/2*10` | |
| """ | |
| return eval(operation) | |