truck transports apples, 200 boxes each time, and the apples are transported 4 times (2/7). How many boxes are there in this batch of apples?
一辆卡车运苹果，每次运200箱，4次运完这批苹果的(2/7)．这批苹果有多少箱？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">4 / (2/7)</gadget>
<output>14</output>

<gadget id="calculator">200 * 14</gadget>
<output>2_800</output>

<result>2_800</result>