Danielle's apartment has 6 rooms. 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. How many rooms does Grant's apartment have?
Heidi's apartment has 6*3=<<6*3=18>>18 rooms.
Grant's apartment has 18/9=<<18/9=2>>2 rooms.
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