Xiaohong cuts a 200 cm long ribbon into 50 cm long pieces, how many times does she need to cut it?
小红把200厘米长的彩带剪成50厘米长的小段，她需要剪几次？
<gadget id="calculator">200 / 50</gadget>
<output>4</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<result>3</result>