Shengli Machinery Factory originally planned to produce 198 machine tools in 22 days, but actually completed the task 4 days earlier than planned. How many machine tools are actually produced per day?
胜利机械厂原计划22天生产198台机床，实际比计划提前4天完成任务，实际每天生产多少台机床？
<gadget id="calculator">22 - 4</gadget>
<output>18</output>

<gadget id="calculator">198 / 18</gadget>
<output>11</output>

<result>11</result>