Xiaoming's clock is 20 minutes faster, and his father is going to adjust it accurately. Please help Xiaoming's father think about how to adjust the minute hand to make the clock accurate.
小明家的钟表快了20分钟，爸爸准备把它调准确，请你帮助小明的爸爸想一想，分针该怎样调，才能使钟表的时刻准确？
<gadget id="calculator">60 / 12</gadget>
<output>5</output>

<gadget id="calculator">20 / 5</gadget>
<output>4</output>

<result>4</result>