The original length ratio of two pieces of paper is 37:28. After tearing off 14 cm, the longer one is longer than the short one (6/7), so how long is the short one? (Solve this question using arithmetic)
两张纸条，原来的长度比为37：28，都撕去14厘米后，长的比短的还长(6/7)，则短的纸条还有多长？(用算术方法解答此题)
<gadget id="calculator">56 - 21</gadget>
<output>35</output>

<gadget id="calculator">14 / 35</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) * 21</gadget>
<output>42/5 = around 8.4</output>

<result>42/5 = around 8.4</result>