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

### Instruction:
Heidi's apartment has 3 times as many rooms as Danielle's apartment. Grant's apartment has 1/9 as many rooms as Heidi's apartment. If Grant's apartment has 2 rooms, how many rooms does Danielle's apartment have?

### Response:
 อพาร์ทเมนต์ของไฮดีมีห้อง 2 x 9 = <<2*9=18>>18 ห้อง
อพาร์ทเมนต์ของแดเนียลมีห้อง 18/3 = <<18/3=6>>6 ห้อง