piece of rectangular colored paper with a length of 60 decimeters and a width of 15 decimeters can be cut into a maximum number of square papers with an area of 5 square decimeters.
一张长是60分米，宽是15分米的长方形彩纸，最多可以剪成多少张面积是5平方分米的正方形纸．
<gadget id="calculator">15 / 5</gadget>
<output>3</output>

<gadget id="calculator">60 * 3</gadget>
<output>180</output>

<result>180</result>