Cut the (4/5) meter long iron wire into two sections on average, how many meters is each section? what is the formula
把(4/5)米长的铁丝平均截成两段，求每段长多少米？算式是多少
<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>