There are 72 boxes of ballpoint pens in the store, and the number of boxes of pens is ballpoint pens (7/9). The number of boxes of pencils is (11/8) that of pens. How many boxes of pencils are there in the store?
商店里有圆珠笔72盒，钢笔的盒数是圆珠笔的(7/9)．铅笔的盒数是钢笔的(11/8)．商店里有铅笔多少盒？
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">11 / 8</gadget>
<output>11/8 = around 1.375</output>

<gadget id="calculator">72 * (7/9) * (11/8)</gadget>
<output>77</output>

<result>77</result>