Yesterday, David and William were invited to a party. David broke 2 glasses, while his friend William broke 4 times the number of glasses David broke. How many glasses were broken?
William broke 4 * 2 = 
<gadget id="calculator">4*2</gadget>
<output>8</output>
8 glasses.
So, David and William broke 8 + 2 = 
<gadget id="calculator">8+2</gadget>
<output>10</output>
10 glasses.

<result>10</result>