The oil in storage of oil A is more than that of oil B (2/3). 90 barrels are transported from warehouse A and put into warehouse B. The ratio of the number of oil in warehouse A and warehouse B is 2:3. How many barrels of oil are there in warehouse B?
甲油库存油比乙油库存油多(2/3)，从甲库运出90桶放入乙库，甲、乙两库油数比是2：3，求乙库原有油多少桶？
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(5/8) - (2/5)</gadget>
<output>9/40 = around 0.225</output>

<gadget id="calculator">90 / (9/40)</gadget>
<output>400</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">400 * (3/8)</gadget>
<output>150</output>

<result>150</result>