A fruit shop brings a batch of fruits, sells 4/7 of the total on the first day, and sells 2 kilograms on the second day. At this time, the weight ratio of the remaining to the sold is 2:3. How much does this batch of fruits weigh? kilogram?
水果店运来一批水果，第一天卖出总数的(4/7)，第二天卖出2千克，这时剩下的与卖出的重量比是2：3，这批水果重多少千克？
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">4 + 6</gadget>
<output>10</output>

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

<gadget id="calculator">(4/7) * 2</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">(4/7) * 3</gadget>
<output>12/7 = around 1.714286</output>

<gadget id="calculator">3 - (8/7) - (12/7)</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">10 / (1/7)</gadget>
<output>70</output>

<result>70</result>