Wang Village wanted to green the barren hills. On the first day, 40% of the tree planting plan was completed, the remaining 60% was completed on the second day, and 68 trees were planted on the third day. As a result, 10% of the tree planting plan was overfulfilled. How many trees did Wangcun originally plan to plant?
王村要绿化荒山，第一天完成了植树计划的40%，第二天完成了余下的60%，第三天植树68棵，结果超额完成植树计划的10%．问王村原计划植树多少棵？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) * (3/5)</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">(11/10) - (2/5) - (9/25)</gadget>
<output>17/50 = around 0.34</output>

<gadget id="calculator">68 / (17/50)</gadget>
<output>200</output>

<result>200</result>