A car departs from Nanyang at 10 am and arrives in Zhengzhou at 1 pm, traveling an average of 80 kilometers per hour. How far is it from Nanyang to Zhengzhou?
一辆汽车上午10时从南阳出发，下午1时到达郑州，平均每小时行80千米，南阳离郑州有多远？
<gadget id="calculator">13 - 10</gadget>
<output>3</output>

<gadget id="calculator">80 * 3</gadget>
<output>240</output>

<result>240</result>