A road construction team builds a road, with an average of 8 kilometers per day. It started on April 1 this year and will be completed on May 13. How many kilometers is this road?
一个修路队修一条公路，平均每天修8千米，今年4月1日开始，5月13日完工，这条路有多少千米？
<gadget id="calculator">30 + 13</gadget>
<output>43</output>

<gadget id="calculator">8 * 43</gadget>
<output>344</output>

<result>344</result>