Connect 4 bamboo poles with a length of 3 meters, 4 meters, 5 meters and 6 meters into one, and the length of the joint part is 5 decimeters. What is the length of the bamboo pole after linking?
把4根分别长3米、4米、5米和6米的竹竿连接成一根，接头部分的长都是5分米．链接后的竹竿长是多少？
<gadget id="calculator">3 + 4 + 5 + 6</gadget>
<output>18</output>

<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 3</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">18 - (3/2)</gadget>
<output>33/2 = around 16.5</output>

<result>33/2 = around 16.5</result>