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

### Instruction:
Simone ate 1/2 of an apple each day for 16 days. Lauri ate 1/3 of an apple each day for 15 days. How many apples did the two girls eat altogether?

### Response:
 ซิโมน = (1/2) * 16 = <<1/2*16=8>>8
ลอรี = (1/3) * 15 = <<(1/3)*15=5>>5
8 + 5 = <<8+5=13>>13
รวมกันทั้งหมด 13 ลูกแอปเปิ้ล