There are two barrels of oil, A and B, the A barrel has 45 kg of oil, and the B barrel has 24 kg of oil. How many kilograms of oil are poured from barrel A into barrel B so that the quality of oil in barrel B is (2/3) that of oil in barrel A.
有甲、乙两桶油，甲桶油有45千克，乙桶油有24千克．从甲桶油里倒多少千克油到乙桶里，才能使乙桶油的质量是甲桶油的(2/3)．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) * 45</gadget>
<output>30</output>

<gadget id="calculator">30 - 24</gadget>
<output>6</output>

<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">6 / (5/3)</gadget>
<output>18/5 = around 3.6</output>

<result>18/5 = around 3.6</result>