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

### Instruction:
Sally picks 30 seashells on Monday. On Tuesday, she picks half as many seashells as she did on Monday. If she can sell each seashell for $1.20, how much money can she make if she sells all of her seashells?

### Response:
 30/2=<<30/2=15>>15 ตัว
30+15=<<30+15=45>>45 ตัว
45*1.2=$<<45*1.2=54>>54