The number of apple trees in the orchard (2/5) is equivalent to the number of pear trees (3/7). If there are 56 pear trees, how many apple trees are there?
果园里苹果树棵数的(2/5)相当于梨树棵数的(3/7)，梨树56棵，苹果树有多少棵？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/7) / (2/5)</gadget>
<output>15/14 = around 1.071429</output>

<gadget id="calculator">56 * (15/14)</gadget>
<output>60</output>

<result>60</result>