At least how many rectangular pieces of wood with a length of 6 cm and a width of 4 cm are needed to form a square.
至少需要多少块长6厘米宽4厘米的长方形木片才能拼成一个正方形．
<gadget id="calculator">6 / 6</gadget>
<output>1</output>

<gadget id="calculator">2 * 1</gadget>
<output>2</output>

<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

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

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

<result>6</result>