Zhangjia Village planted 25 hectares of trees this year, an increase of 5 hectares this year compared to last year.
张家村今年植树造林25公顷，今年比去年增加了5公顷，今年造林比去年增加了百分之几？
<gadget id="calculator">25 - 5</gadget>
<output>20</output>

<gadget id="calculator">5 / 20</gadget>
<output>1/4 = around 0.25</output>

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