Cary is saving money to buy a new pair of shoes that cost $120. He has already saved $30. He earns $5 for every lawn he mows. If he mows 3 lawns each weekend, how many more weekends will he have to mow lawns before he can afford to buy the shoes?
Cary needs to save an additional $120 - $30 = $
<gadget id="calculator">120-30</gadget>
<output>90</output>
90.
Cary makes $5 * 3 = $
<gadget id="calculator">5*3</gadget>
<output>15</output>
15 each weekend.
It will take 90 / 15 = 
<gadget id="calculator">90/15</gadget>
<output>6</output>
6 more weekends to save enough money to afford the shoes.

<result>6</result>