Janina spends $30 each day for rent and uses $12 worth of supplies daily to run her pancake stand. If she sells each pancake for $2, how many pancakes must Janina sell each day to cover her expenses?
Janina spends $30+$12=$
<gadget id="calculator">30+12</gadget>
<output>42</output>
42 each day for her pancake stand.
She must sell $42/$2=
<gadget id="calculator">42/2</gadget>
<output>21</output>
21 pancakes each day to cover her expenses.

<result>21</result>