A bottle is filled with half a bottle of oil. After pouring out (4/5) kilograms of oil, the rest is poured out (3/4). How many kilograms of oil can this bottle hold?
一个瓶子里装了半瓶油，倒出(4/5)千克油后，剩下的是倒出的(3/4)，这个瓶子能装多少千克油？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(4/5) * (3/4)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(4/5) + (3/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">(7/5) * 2</gadget>
<output>14/5 = around 2.8</output>

<result>14/5 = around 2.8</result>