A car travels 216 kilometers in 4 hours. If it travels at this speed for another 2 hours, how many kilometers has it traveled in total? ．
一辆汽车4小时行了216千米，照这样的速度再行2小时，一共行驶了多少千米？．
<gadget id="calculator">216 / 4</gadget>
<output>54</output>

<gadget id="calculator">4 + 2</gadget>
<output>6</output>

<gadget id="calculator">54 * 6</gadget>
<output>324</output>

<result>324</result>