A 36 decimeter iron wire can be welded into a rectangular parallelepiped frame. The frame is 4 decimeters long, 3 decimeters wide, and how many decimeters high.
用一根36分米的铁丝，恰好可以焊成一个长方体框架．框架长4分米，宽3分米，高多少分米．
<gadget id="calculator">36 / 4</gadget>
<output>9</output>

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

<gadget id="calculator">9 - 7</gadget>
<output>2</output>

<result>2</result>