A bucket of paint is poured out (2/5), exactly 8 kilograms are poured out. How many kilograms is this bucket of paint originally?
一桶涂料倒出(2/5)，刚好倒出8千克．这桶涂料原有多少千克．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">8 / (2/5)</gadget>
<output>20</output>

<result>20</result>