Grandpa had 36 small tomatoes before going on vacation.
When he came back, he counted 100 times more tomatoes, so he had 36 * 100 = 3600 tomatoes.
Therefore, 3600 - 36 = 3564 tomatoes grew in his absence.
#### 3564
The answer is: 3564
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
In his garden, Grandpa had counted 36 small tomatoes before going on vacation. When he came back from vacation, he counted 100 times more tomatoes. How many tomatoes grew in his absence?

### Answer:
