There are two granaries, A and B, and they store the same tonnage of grain. After transporting 60 tons of grain from A warehouse and 20 tons of grain from B, the amount left in B is five times that of A. Originally, A and B What is the tonnage of the two warehouses?
有甲乙两个粮仓，他们存粮的吨数相等，从甲仓运走60吨，从乙仓运走20吨粮食后，这时乙仓剩下的量是甲仓剩下的五倍，原来甲乙两仓的吨数各是多少？
<gadget id="calculator">60 * 5</gadget>
<output>300</output>

<gadget id="calculator">300 - 20</gadget>
<output>280</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">280 / 4</gadget>
<output>70</output>

<result>70</result>