Two trucks delivered fertilizers to the farm. The first truck drove from the warehouse to the farm at a speed of 30 kilometers per hour. The second truck drove 12 minutes late and drove from the warehouse to the farm at a speed of 40 kilometers per hour. As a result, the two trucks drove at the same time. Arrive at the farm. How far is it to the farm?
两辆卡车为农场送化肥，第一辆卡车以每小时30千米的速度由仓库开往农场二辆卡车晚开12分钟，以每小时40千米的速度由开往农场，结果两车同时到达农场．到农场的路程有多远？
<gadget id="calculator">40 - 30</gadget>
<output>10</output>

<gadget id="calculator">0.2 / 10</gadget>
<output>0.02</output>

<gadget id="calculator">30 * 0.02 * 40</gadget>
<output>24</output>

<result>24</result>