The school bought a plastic rope with a length of 16 meters. After cutting 9 skipping ropes of the same length, there is still 2.5 meters left. How many meters is the average length of each skipping rope? (Solution of column equation)
学校买来一根塑料绳，长16米，剪9根同样长的跳绳后还剩2.5米，平均每根跳绳长多少米？(列方程解)
<gadget id="calculator">16 - 2.5</gadget>
<output>13.5</output>

<gadget id="calculator">13.5 / 9</gadget>
<output>1.5</output>

<result>1.5</result>