The master and the apprentice worked together to complete 925 parts in (25/4) hours. It is known that the master produces 78 parts per hour, how many parts does the apprentice produce per hour?
师徒二人用(25/4)小时合作完成了925个零件，已知师傅每小时生产78个，徒弟每小时生产多少个？
<gadget id="calculator">25 / 4</gadget>
<output>25/4 = around 6.25</output>

<gadget id="calculator">925 / (25/4)</gadget>
<output>148</output>

<gadget id="calculator">148 - 78</gadget>
<output>70</output>

<result>70</result>