If a 6 decimeter long iron wire is used to make a cuboid frame with a length of 5 cm, a width of 4 cm and a height of 3 cm, how many centimeters will be left? (neglected at joints)
用6分米长的铁丝做了一个长5厘米、宽4厘米、高3厘米的长方体框架，还会剩下多少厘米．(接头处忽略不计)
<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">5 + 4 + 3</gadget>
<output>12</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<gadget id="calculator">60 - 48</gadget>
<output>12</output>

<result>12</result>