6 looms can weave a total of 720 meters per hour, how many meters can 3 same looms weave in 2 hours?
6台织布机每小时共织布720米，3台同样的织布机2小时可织布多少米？
<gadget id="calculator">720 / 6</gadget>
<output>120</output>

<gadget id="calculator">120 * 3 * 2</gadget>
<output>720</output>

<result>720</result>