There is a lot of dust in Susie's house. It takes her 2 hours to vacuum the whole house. She can vacuum each room in 20 minutes. How many rooms does she have in her house?
Susie spends 2*60 = 
<gadget id="calculator">2*60</gadget>
<output>120</output>
120 minutes vacuuming.
Since she can vacuum each room in 20 minutes, she has 120/20 = 
<gadget id="calculator">120/20</gadget>
<output>6</output>
6 rooms in her house.

<result>6</result>