Cut a rectangular piece of paper with a length of 6 decimeters and a width of 4 decimeters into discs with a diameter of 2 decimeters. How many pieces can be cut in total?
把一张长6分米，宽4分米的长方形纸片剪成直径是2分米的圆片，一共可以剪几个？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

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

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

<result>6</result>