Xiao Ming walks 70 meters per minute from home to school, and can reach school in 12 minutes. If he walks 80 meters per minute, how many minutes can he reach school?
小明从家到学校，每分钟走70米，12分钟可以到学校，如果每分钟走80米，几分钟可以到达学校？
<gadget id="calculator">12 / 80</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">70 * (3/20)</gadget>
<output>21/2 = around 10.5</output>

<result>21/2 = around 10.5</result>