A and B each walk a distance. The speed ratio of A and B is 2:3, and the time ratio is 3:4. If B walks 1200 meters, how much distance does A walk?
甲、乙两人各走一段路，甲与乙的速度比是2：3，时间比是3：4，如果乙走1200米，问甲走了多少路程？
<gadget id="calculator">1_200 / 2</gadget>
<output>600</output>

<result>600</result>