Teacher Li travels 50m per minute from home to school, and can reach the school in 12 minutes. If there are 10m more lines per minute, how many minutes can it be reached? (Solve with ratio)
李老师从家到学校，每分钟行50m，12分钟可以到达．如果每分钟多行10m，则多少分钟可以到达？(用比例解)
<gadget id="calculator">50 * 12</gadget>
<output>600</output>

<gadget id="calculator">50 + 10</gadget>
<output>60</output>

<gadget id="calculator">600 / 60</gadget>
<output>10</output>

<result>10</result>