There are two bags of rice, and the rice in bag A is the rice in bag B (4/7). If 6 kg is taken out from bag A and put into bag B, then bag A is 18 kg less than bag B. How many kilograms is the original bag of rice?
有两袋大米，甲袋大米是乙袋大米的(4/7)，如果从甲袋拿出6千克放入乙袋，这时甲袋比乙袋少18千克．乙袋大米原有多少千克？
<gadget id="calculator">18 - 6 - 6</gadget>
<output>6</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">1 - (4/7)</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">6 / (3/7)</gadget>
<output>14</output>

<result>14</result>