The large gear has 48 teeth and the small gear has 15 teeth. If the large gear rotates 300 revolutions per minute, how many revolutions per minute does the small gear make?
互相咬合的齿轮，大齿轮有48个齿，小齿轮有15个齿．如果大齿轮每分钟转300转，小齿轮每份转多少转．
<gadget id="calculator">48 * 300</gadget>
<output>14_400</output>

<gadget id="calculator">14_400 / 15</gadget>
<output>960</output>

<result>960</result>