A rectangular iron sheet is (4/5) meters long and (3/4) wide. Find the area of this sheet of iron.
一张长方形铁皮，长(4/5)米，宽是长的(3/4)．求这张铁皮的面积．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(4/5) * (3/4) * (4/5)</gadget>
<output>12/25 = around 0.48</output>

<result>12/25 = around 0.48</result>