Emma bought 3 dozens of macarons in addition to her 10 pieces of macarons for a party. If 15 pieces of macarons are left over, how many pieces of macarons were eaten?
Three dozens of macarons are equal to 3 x 12 = 
<gadget id="calculator">3*12</gadget>
<output>36</output>
36 pieces of macarons.
So Emma has a total of 36 + 10 = 
<gadget id="calculator">36+10</gadget>
<output>46</output>
46 pieces of macarons for the party.
Therefore, 46 - 15 = 
<gadget id="calculator">46-15</gadget>
<output>31</output>
31 pieces of macarons were eaten.

<result>31</result>