The school has 14 boys and 10 girls. If 4 boys and 3 girls drop out, how many boys and girls are left?
There are 14 boys - 4 boys = 
<gadget id="calculator">14-4</gadget>
<output>10</output>
10 boys left.
There are 10 girls - 3 girls = 
<gadget id="calculator">10-3</gadget>
<output>7</output>
7 girls left.
In total there are 10 boys + 7 girls = 
<gadget id="calculator">10+7</gadget>
<output>17</output>
17 boys and girls left.

<result>17</result>