There are two barrels of oil, and barrel A is 10 kilograms less than barrel B. Now pour 5% of barrel B into barrel A. At this time, barrels A and B are just equal. How many kilograms of oil does barrel B have?
有两桶油，甲桶比乙桶少10千克，现在把乙桶的5%倒入甲桶，这时甲乙两桶刚好相等，乙桶油原来有多少千克？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(1/20) * 2</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">10 / (1/10)</gadget>
<output>100</output>

<result>100</result>