Mom uses an 8.4-meter-long red ribbon to make a Chinese knot every 1.4 decimeters. How many Chinese knots can this red ribbon make?
妈妈用一根8.4米长的红彩带，每1.4分米做一个中国结，这根红彩带共可做多少个中国结．
<gadget id="calculator">1.4 / 10</gadget>
<output>0.14</output>

<gadget id="calculator">8.4 / 0.14</gadget>
<output>60</output>

<result>60</result>