It is possible to make mistakes when you use a calculator. For example, it's easy to press the wrong key. When you are adding, you can check by adding the numbers again in a different order.
Try this on the calculator:
The cost of repairing a car is:
| Labour: | £104.00 |
| Parts: | £78.50 |
| VAT: | £31.94 |
What is the total cost? Type your answer in the box.
