How many small squares with an area of 4 square centimeters can be cut from a square paper with a side length of 8 cm.
边长为8厘米的正方形纸，最多可以剪成面积为4平方厘米的小正方形有多少个．
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">8 / 16</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">8 * (1/2)</gadget>
<output>4</output>

<result>4</result>