The length of a short skipping rope is 2 meters, and the length of a long skipping rope is 3 times that of a short skipping rope. What is the length of a long skipping rope in meters?
一根短跳绳的长度是2米，长跳绳的长度是短跳绳的3倍．一根长跳绳的长度是多少米？
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>