Below is an instruction that describes a task. Write a response that appropriately completes the request in English. Please answer in English.

### Instruction:
There are 350 trees in the park, 70% of which are pine trees. How many are not pine trees?

### Response:
Since 70% of the trees are pine, the number of pine trees is 350 x 70/100 = <<350*70/100=245>>245.
The number of trees that are not pine is 350 - 245 = <<350-245=105>>105.
#### 105