There are 120 poplar trees in the school, --------, how many willow trees are there? (Supplement a condition to turn it into a fraction multiplication and division problem, and answer it.)
学校有杨树120棵，----------，有柳树多少棵？(补充一个条件，变成分数乘除法应用题，并解答．)
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">120 * (3/4)</gadget>
<output>90</output>

<result>90</result>