A and B start from A and B at the same time and walk toward each other. The distance between A and B is 1500 meters. They meet after 5 minutes. It is known that the speed ratio of the two is 2:1, so how much faster is A's speed than B's speed?
甲、乙两人从A、B两地同时出发相向而行，A、B两地相距1500米，两人在5分钟后相遇．已知两人速度比为2：1，那么甲速比乙速快多少米？
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">1_500 / 5 / 3</gadget>
<output>100</output>

<gadget id="calculator">2 - 1</gadget>
<output>1</output>

<gadget id="calculator">100 * 1</gadget>
<output>100</output>

<result>100</result>