There are 35 rose trees in the flower bed of the school, gardenias are roses (4/5), and chrysanthemum trees are twice as many as gardenias. How many chrysanthemums are there?
学校花坛有月季花35棵，栀子花的是月季花的(4/5)，菊花的棵树是栀子花的2倍．菊花有多少棵？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">35 * (4/5) * 2</gadget>
<output>56</output>

<result>56</result>