Two carts of potatoes are shipped from the vegetable market. The first cart weighs 1400 kg. It is known that (1/7) of the first cart weighs the same as (1/6) of the second cart. How many kilograms does the second cart of potatoes weigh?
菜场运来两车土豆，第一车重1400千克，已知第一车的(1/7)与第二车的(1/6)一样重．第二车土豆重多少千克？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/7) / (1/6)</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">1_400 * (6/7)</gadget>
<output>1_200</output>

<result>1_200</result>