Xiao Ming is practicing writing with a pen. On the first day, he wrote 137 characters. On the second day, he wrote 76 characters more than the first day. On the third day, he wrote 37 characters less than the total of the previous two days. How many words did you write on the third day?
小明在练习写钢笔字，第一天写了137个字，第二天比第一天多写76个字，第三天写的比前两天的总数少37个字．第三天写了多少个字？
<gadget id="calculator">137 - 37</gadget>
<output>100</output>

<gadget id="calculator">137 + 76 + 100</gadget>
<output>313</output>

<result>313</result>