At a certain moment in the morning, Xiao Gang, who is 1.7 meters tall, had a projection length of 3.4 meters on the ground. Xiao Ming measured that the shadow of the flagpole on the campus was 16 meters long, and the shadow of 2 meters fell on the wall. According to these conditions You can know the height of the flagpole in meters.
在上午的某一时刻身高1.7米的小刚在地面上的投影长为3.4米，小明测得校园中旗杆在地面上的影子长16米，还有2米影子落在墙上，根据这些条件可以知道旗杆的高度为多少米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 / (1/2)</gadget>
<output>4</output>

<gadget id="calculator">16 + 4</gadget>
<output>20</output>

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(1/20) * 3.4</gadget>
<output>0.17</output>

<gadget id="calculator">1.7 / 0.17</gadget>
<output>10</output>

<result>10</result>