Xiaohong and Xiaoli went to the park to play together. The sum of the money they brought was 12 yuan more than Xiaohong's and 27 yuan more than Xiaoli's. How much money did they bring together?
小红和小丽一起去公园玩，两人身上所带钱的和比小红多12元，比小丽的钱多27元，两人共带多少元钱．
<gadget id="calculator">12 + 27</gadget>
<output>39</output>

<result>39</result>