There are 120 poplar trees in the school, how many willow trees are there? (Add a condition, make up a fraction division application problem, and answer it)
学校有杨树120棵，有柳树多少棵？(补充一个条件，编一道分数除法应用题，并解答)
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">120 / (1/2)</gadget>
<output>240</output>

<result>240</result>