Uncle Wang’s family planted 35 fir trees, which are 7/5 of the number of cypress trees. How many cypress trees are there?
王大伯家种了35棵杉树，是柏树棵数的(7/5)，柏树有多少棵？
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">35 / (7/5)</gadget>
<output>25</output>

<result>25</result>