On both sides of a 50-meter-long runway, a colorful flag is planted every 5 meters from the beginning to the end. How many colored flags are planted in total?
在一条长50米的跑道两旁，从头到尾每隔5米插一面彩旗，一共插多少面彩旗？
<gadget id="calculator">50 / 5</gadget>
<output>10</output>

<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<gadget id="calculator">11 * 2</gadget>
<output>22</output>

<result>22</result>