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

### Instruction:
Mcgregor and Floyd were assigned 89 books to read for the week. If Mcgregor was able to finish 34 while Floyd was able to finish 32, how many books do they still have to read?

### Response:
 พวกเขาอ่านได้ทั้งหมด 34 + 32 = <<34+32=66>>66 เล่ม
ดังนั้นพวกเขาต้องอ่านเล่มอีกทั้งหมด 89 - 66 = 23 เล่ม