The Railway Bureau has newly shipped 100 sleepers, each of which is 3 meters long and 0.2 meters wide and high. How many cubic meters are there in total for this batch of sleepers?
铁路局新运来100根枕木，每根长3米，宽和高都是0.2米，这批枕木一共有多少立方米？
<gadget id="calculator">3 * 0.2 * 0.2 * 100</gadget>
<output>12</output>

<result>12</result>