Miriam spent 30 minutes doing laundry, 15 minutes cleaning the bathroom, a certain amount of time cleaning her room, and 40 minutes doing homework. If she spent a total of two hours on these tasks, how long, in minutes, did she spend cleaning her room?
There are 30+15+40=
<gadget id="calculator">30+15+40</gadget>
<output>85</output>
85 minutes accounted for.
She spent 2*60=
<gadget id="calculator">2*60</gadget>
<output>120</output>
120 minutes.
She spent 120-85=
<gadget id="calculator">120-85</gadget>
<output>35</output>
35 minutes cleaning her room.

<result>35</result>