Peter has a plan to take his family on a vacation to Germany. He needs $5,000 to cover all the spending for the travel, and he has $2,900 in savings right now. If he can save up $700 each month, how many months does he need to wait to reach his goal?
Peter needs $5,000 - $2,900 = $
<gadget id="calculator">5000-2900</gadget>
<output>2_100</output>
2,100 in total.
He will have to wait for $2100 / $700/month = 
<gadget id="calculator">2100/700</gadget>
<output>3</output>
3 months to reach his goal.

<result>3</result>