<human>:  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?
<bot>: How many rooms are in Heidi's apartment? ** Heidi's apartment has 2*9=<<2*9=18>>18 rooms.
How many rooms are in Danielle's apartment? ** Danielle's apartment has 18/3=<<18/3=6>>6 rooms.
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