A bicycle factory produces a new type of bicycle. It plans to produce 60 bicycles per day and complete the task in 16 days. As a result, the task was completed 4 days ahead of schedule. How many bikes are actually produced per day?
自行车厂生产一种新型自行车，计划每天生产60辆，16天完成任务．结果提前4天完成任务．实际每天生产多少辆自行车？
<gadget id="calculator">60 * 16</gadget>
<output>960</output>

<gadget id="calculator">16 - 4</gadget>
<output>12</output>

<gadget id="calculator">960 / 12</gadget>
<output>80</output>

<result>80</result>