Tobias is buying a new pair of shoes that costs $95. He has been saving up his money each month for the past three months. He gets a $5 allowance a month. He also mows lawns and shovels driveways. He charges $15 to mow a lawn and $7 to shovel. After buying the shoes, he has $15 in change. If he mows 4 lawns, how many driveways did he shovel?
He saved up $110 total because 95 + 15 = 
<gadget id="calculator">95+15</gadget>
<output>110</output>
110.
He saved $15 from his allowance because 3 x 5 = 
<gadget id="calculator">3*5</gadget>
<output>15</output>
15.
He earned $60 mowing lawns because 4 x 15 = 
<gadget id="calculator">4*15</gadget>
<output>60</output>
60.
He earned $35 shoveling driveways because 110 - 60 - 15 = 
<gadget id="calculator">110-60-15</gadget>
<output>35</output>
35.
He shoveled 5 driveways because 35 / 7 = 
<gadget id="calculator">35/7</gadget>
<output>5</output>
5.

<result>5</result>