There is an iron wire of 48 decimeters, just welded into a cuboid of 4 decimeters in length, 3 decimeters in width, and how many decimeters in height. (neglected at joints)
有一根48分米的铁丝，正好焊接成一个长4分米，宽3分米，高多少分米的长方体．(接头处忽略不计)
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<gadget id="calculator">12 - 7</gadget>
<output>5</output>

<result>5</result>