If the side length of a square is (3/4) cm, what is its area in square centimeters?
一个正方形的边长是(3/4)厘米，它的面积是多少平方厘米．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) * (3/4)</gadget>
<output>9/16 = around 0.5625</output>

<result>9/16 = around 0.5625</result>