Xiangyang Primary School planted 200 trees, 40 more than planned, and how many percent exceeded the plan?
向阳小学植树200棵，比计划多植40棵，超过计划的百分之几？
<gadget id="calculator">200 - 40</gadget>
<output>160</output>

<gadget id="calculator">40 / 160</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>