A workshop originally planned to produce 1284 parts in 4 hours, but actually produced 428 parts per hour. How many more parts are produced per hour than originally planned?
某车间原计划4小时生产1284个零件，实际每小时生产428个零件．实际每小时比原计划每小时多生产多少个零件？
<gadget id="calculator">1_284 / 4</gadget>
<output>321</output>

<gadget id="calculator">428 - 321</gadget>
<output>107</output>

<result>107</result>