A cuboid whose length is 5 cm and width is 4 cm is welded with 52 cm wire, what is its height in cm?
用52厘米的铁丝焊一个长为5厘米宽为4厘米的长方体，它的高为多少厘米．
<gadget id="calculator">52 / 4</gadget>
<output>13</output>

<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">13 - 9</gadget>
<output>4</output>

<result>4</result>