The distance between A and B is 3000 meters. Xiao Ming and Xiao Fang start from the two places at the same time and walk in the same direction. After walking for 20 minutes, they are still 2800 meters apart (not catching up). It is known that Xiao Fang travels 80 meters per minute, what is Xiao Ming's speed?
甲、乙两地相距3000米，小明和小方同时从两地出发同向而行，行了20分钟后两人还相距2800米(未追上)．已知小方每分钟行80米，小明的速度是多少．
<gadget id="calculator">20 * 80</gadget>
<output>1_600</output>

<gadget id="calculator">3_000 - 2_800</gadget>
<output>200</output>

<gadget id="calculator">1_600 + 200</gadget>
<output>1_800</output>

<gadget id="calculator">1_800 / 20</gadget>
<output>90</output>

<result>90</result>