How many times does it take to saw a 160 cm long wooden bar into 16 cm long pieces?
把一根160厘米长的木条锯成16厘米长的小段，一共要锯多少次．
<gadget id="calculator">160 / 16</gadget>
<output>10</output>

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<result>9</result>