The students participated in the tree planting activity. On the first day, 243 trees were planted. On the second day, 65 trees were planted less than on the first day. On the third day, 47 more trees were planted than on the second day. How many trees did you plant on the third day?
同学们参加植树活动，第一天植树243棵，第二天比第一天少植树65棵，第三天比第二天多植树47棵．第三天植树多少棵？
<gadget id="calculator">243 - 65</gadget>
<output>178</output>

<gadget id="calculator">178 + 47</gadget>
<output>225</output>

<result>225</result>