Shixin Watch Factory originally planned to produce 75 watches per day and complete the task in 12 days. The task is actually completed in 10 days, and how many blocks are actually produced per day on average?
时新手表厂原计划每天生产75块手表，12天完成任务．实际10天完成任务，实际平均每天生产多少块？
<gadget id="calculator">75 * 12</gadget>
<output>900</output>

<gadget id="calculator">900 / 10</gadget>
<output>90</output>

<result>90</result>