68cm long iron wire can be welded into a cuboid teaching aid with a length of 8cm and a height of 6cm. What is the width of this cuboid in cm?
用一根68cm长的铁丝，恰好可以焊成一个长是8cm，高是6cm的长方体教具，这个长方体的宽是多少cm
<gadget id="calculator">68 / 4</gadget>
<output>17</output>

<gadget id="calculator">8 + 6</gadget>
<output>14</output>

<gadget id="calculator">17 - 14</gadget>
<output>3</output>

<result>3</result>