Xiao Hua walked 972 meters in 6 minutes, Xiao Ming walked 845 meters in 5 minutes, who walked faster? How many meters per minute?
小华6分钟走972米，小明5分钟走845米，谁走得快些？每分钟快多少米？
<gadget id="calculator">845 / 5</gadget>
<output>169</output>

<gadget id="calculator">972 / 6</gadget>
<output>162</output>

<gadget id="calculator">169 - 162</gadget>
<output>7</output>

<result>7</result>