Master Zhang needs to process 1846 machine parts, 946 of which have already been processed, and the rest will be finished within 12 days. How many parts do he need to process per day?
张师傅要加工1846个机器零件，已经加工了946个，剩下的要在12天内完成，每天需要加工多少个？
<gadget id="calculator">1_846 - 946</gadget>
<output>900</output>

<gadget id="calculator">900 / 12</gadget>
<output>75</output>

<result>75</result>