The area of the blackboard in the classroom is 3 square meters. The length of the blackboard is 2.5 meters, what is its width?
教室里黑板的面积是3平方米．黑板的长是2.5米，它的宽是多少米？
<gadget id="calculator">3 / 2.5</gadget>
<output>1.2</output>

<result>1.2</result>