A rectangular orchard is 40 meters long and long (4/5) wide, and (3/4) of the orchard is pear trees. How many square meters is the orchard planted with pear trees?
一个长方形果园，长40米，宽是长的(4/5)，其中果园的(3/4)都是梨树，这个果园种梨树的面积是多少平方米？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">40 * (4/5)</gadget>
<output>32</output>

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

<gadget id="calculator">40 * 32 * (3/4)</gadget>
<output>960</output>

<result>960</result>