Mingming's mother has to go back and forth between home and work twice a day, a total of 120 kilometers a week (5 days). How far is Mingming's home from mother's unit?
明明的妈妈每天要在家和单位之间往返2次，一个星期(5天)一共要走120千米．明明家离妈妈单位有多远？
<gadget id="calculator">2 * 2 * 5</gadget>
<output>20</output>

<gadget id="calculator">120 / 20</gadget>
<output>6</output>

<result>6</result>