There are two trucks A and B of disaster relief materials. It is known that the disaster relief materials in truck A are 350 tons. If you take out (1/7) from truck A and put them in truck B, then the amount of disaster relief materials in the two trucks is equal. How much more is truck A than truck B? Disaster relief supplies?
有AB两车救灾物资，已知A车救灾物资有350吨，如果从A车中取出(1/7)放人B车中，则两车救灾物资量相等，原来A车比B车多多少救灾物资？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">350 * (1/7) * 2</gadget>
<output>100</output>

<result>100</result>