Last year, our school voluntarily planted 205 trees, which is less than this year (3/4). How many trees are you planting this year?
去年我们学校共义务植树205棵，比今年少(3/4)．今年植树多少棵？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">205 / (1/4)</gadget>
<output>820</output>

<result>820</result>