4 bags of seaweed weigh (4/5) kilograms, how many kilograms does each bag weigh on average? What is the column
4袋紫菜重(4/5)千克，平均每袋重多少千克？列式为多少
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) / 4</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>