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

### Instruction:
Sami finds 3 spiders in the playground.  Hunter sees 12 ants climbing the wall.  Ming discovers 8 ladybugs in the sandbox, and watches 2 of them fly away. How many insects are remaining in the playground?

### Response:
 เด็กพบแมงมุม 3 + 12 + 8 = <<3+12+8=23>>23 ตัว
หลังจากที่เต่าทองบินออกไป จะเหลือแมลง 23 - 2 = <<23-2=21>>21 ตัว