There are two bags of rice, A and B. Bag A contains 35 kilograms. If 25 kilograms are taken out from bag B and poured into bag A, then the rice in bag A is 5/7 of that in bag B. How many kilograms of rice does bag B contain?
甲、乙两袋大米，甲袋有35千克，如果从乙袋取出25千克倒入甲袋，这时甲袋大米是乙袋的(5/7)，乙袋原来有大米多少千克？
<gadget id="calculator">35 + 25</gadget>
<output>60</output>

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">60 / (5/7)</gadget>
<output>84</output>

<gadget id="calculator">84 + 25</gadget>
<output>109</output>

<result>109</result>