A bicycle has a front wheel with a circumference of 280 cm and a rear wheel with a circumference of 200 cm. Xiao Ming rides this kind of bicycle from A to B, and the rear wheel turns 1000 times more than the front wheel. How many meters are there between A and B?
有一种自行车，前轮的周长是280厘米，后轮的周长是200厘米．小明骑这种自行车从甲地到乙地去，后轮比前轮多转1000圈．甲、乙两地相距多少米？
<gadget id="calculator">7 - 5</gadget>
<output>2</output>

<gadget id="calculator">1_000 / 2</gadget>
<output>500</output>

<gadget id="calculator">500 * 5</gadget>
<output>2_500</output>

<gadget id="calculator">2_500 / 100</gadget>
<output>25</output>

<gadget id="calculator">280 * 25</gadget>
<output>7_000</output>

<result>7_000</result>