100 books are 85 centimeters thick, how many centimeters is one such book thick?
100本书厚85厘米，一本这样的书厚多少厘米？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<result>17/20 = around 0.85</result>