The thickness of the Chinese document is 8 mm, and the thickness of the Xinhua dictionary is 4 cm. A stack of several Chinese books is the thickness of a Xinhua dictionary?
语文书厚度是8毫米，新华字典厚度是4厘米．几本语文书摞起来是一本新华字典的厚度？
<gadget id="calculator">10 / 8</gadget>
<output>5/4 = around 1.25</output>

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

<result>5</result>