A square with a side length of 4 decimeters can be made with a piece of iron wire. If it is made into a rectangle and the length is 6 decimeters, what is the width in decimeters?
用一根铁丝可以做成一个边长4分米的正方形，如果做成长方形，长是6分米，那么宽应该是多少分米．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">8 - 6</gadget>
<output>2</output>

<result>2</result>