How many discs with a diameter of 2 decimeters can be cut from a rectangular piece of paper 10 decimeters long and 6 decimeters wide?
一张长10分米，宽6分米的长方形纸片，最多能剪多少个直径为2分米的圆片．
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<result>15</result>