and B work together to process a batch of parts. A processes 76 pieces per hour, and B processes 95 pieces per hour. The two work together for 5 hours to complete half of the parts. B will do the rest alone, and B will process again. How many hours can complete all tasks?
甲、乙两人共同加工一批零件，甲每小时加工76个，乙每小时加工95个，两人一起加工5小时正好完成这批零件的一半，剩下的由乙单独做，乙再加工几小时可以完成全部任务？
<gadget id="calculator">76 + 95</gadget>
<output>171</output>

<gadget id="calculator">5 / 95</gadget>
<output>1/19 = around 0.052632</output>

<gadget id="calculator">171 * (1/19)</gadget>
<output>9</output>

<result>9</result>