The agricultural machinery factory plans to produce 1,200 agricultural machinery. The workers produce an average of 38 agricultural machinery every day for 25 days. How many are left unfinished?
农机厂计划生产1200台农机，工人们平均每天生产38台，生产25天，还剩多少台没有完成？
<gadget id="calculator">38 * 25</gadget>
<output>950</output>

<gadget id="calculator">1_200 - 950</gadget>
<output>250</output>

<result>250</result>