A bundle of iron wires 5 meters long weighs about 400 grams, and a bundle of the same iron wires weighs 5600 grams. What is the approximate length of it?
一捆5米长的铁丝约重400克，一捆同样的铁丝重5600克，它可能约是多少米长．
<gadget id="calculator">5_600 / 400</gadget>
<output>14</output>

<gadget id="calculator">5 * 14</gadget>
<output>70</output>

<result>70</result>