A bag of sugar weighs (2/5) kilograms, and it is divided into 4 parts on average. Each part is ((())/(())) the weight of this bag of sugar. How many kilograms does each part weigh?
一袋糖重(2/5)千克，平均分成4份，每份是这袋糖重的((())/(()))，每份糖重多少千克．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) / 4</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>