Use rectangular sheets of equal size, each 3 cm long and 2 cm wide. To form a square, how many sheets of this rectangular paper are needed
用大小相等的长方形纸，每张长3厘米，宽2厘米．要拼成一个正方形，最小需要这种长方形纸多少张
<gadget id="calculator">6 / 3</gadget>
<output>2</output>

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

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

<result>6</result>