The area of a color photo is 24 square decimeters, the length is 6 decimeters, and the width is how many decimeters.
一张彩色照片的面积是24平方分米，长是6分米，宽是多少分米．
<gadget id="calculator">24 / 6</gadget>
<output>4</output>

<result>4</result>