Divide (4/5) of a piece of paper into 2 equal parts, what fraction of this paper is each part?
把一张纸的(4/5)平均分成2份，每份是这张纸的几分之几？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) / 2</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>