How many times should a 4-meter-long wire be cut into 8-decimeter pieces?
4米长的铁丝，剪成8分米的小段，要剪多少次．
<gadget id="calculator">10 / 8</gadget>
<output>5/4 = around 1.25</output>

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

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<result>4</result>