64cm long iron wire can be welded into a cuboid frame with a length of 10cm, a width of 4cm, and a height of cm (not counting the joints)
用长64cm的铁丝可以焊接成一个长10cm，宽4cm，高多少cm的长方体框架(接头处不计)
<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<gadget id="calculator">10 + 4</gadget>
<output>14</output>

<gadget id="calculator">16 - 14</gadget>
<output>2</output>

<result>2</result>