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

### Instruction:
It was reported that 2000 cases of Coronavirus had been confirmed in the state of New York in May 2020. There was half the number of cases in California, which had 400 more cases than the state of Texas. What's the total number of cases that had been confirmed in all of these states?

### Response:
California had half the number of cases in New York, so 1/2*2000 = <<1/2*2000=1000>>1000 cases.
California had 400 more cases than the state of Texas, meaning Texas had 1000-400 = <<1000-400=600>>600 cases.
The total number of cases in all of these states is 1000+600+2000 = <<1000+600+2000=3600>>3600 cases.
#### 3600