Teacher Zhang cut a 36.4-meter rope by 2.8 meters to make a long skipping rope. He cut the rest into a 1.6-meter-long short skipping rope. How many short skipping ropes can be made in total?
张教师把一根36.4米的绳子剪掉2.8米做了一根长跳绳，他把剩下的剪成1.6米长的短跳绳，问一共可做成几根短跳绳？
<gadget id="calculator">36.4 - 2.8</gadget>
<output>33.6</output>

<gadget id="calculator">33.6 / 1.6</gadget>
<output>21</output>

<result>21</result>