There is a batch of rice in the cafeteria. After using up (3/7) of the total weight, another 460 kg is shipped in. Now the rice is more than before (2/3). How much is the rice now?
食堂有一批大米，用去总重量的(3/7)后，又运进了460千克，现在大米比原来还多(2/3)，现在大米多少千克？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(3/7) + (2/3)</gadget>
<output>23/21 = around 1.095238</output>

<gadget id="calculator">460 / (23/21)</gadget>
<output>420</output>

<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">420 * (5/3)</gadget>
<output>700</output>

<result>700</result>