There are 18 apple trees in the orchard, the number of pear trees is 2/3 of the number of apple trees, and the number of peach trees is 3/4. How many peach trees are there in the orchard?
果园里有苹果树18棵，梨树的棵树是苹果树的(2/3)，又是桃树棵数的(3/4)．果园里桃树有多少棵？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(2/3) / (3/4)</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">18 * (8/9)</gadget>
<output>16</output>

<result>16</result>