The Young Pioneers cut the grass. The first group of 14 people mowed an average of 11 kg of grass; the second group of 13 people mowed a total of 117 kg of grass. How many kilograms more grass did the first group mow than the second group?
少先队员割草．第一组14人，平均每人割草11千克；第二组13人，共割草117千克．第一组比第二组多割草多少千克？
<gadget id="calculator">11 * 14</gadget>
<output>154</output>

<gadget id="calculator">154 - 117</gadget>
<output>37</output>

<result>37</result>