A and B work together to process 1530 parts, A processes 50 parts per hour, and B processes 60 parts per hour. After A and B work together for 8 hours, A will finish the rest alone. How long will it take?
甲、乙共同加工1530个零件，甲每时加工50个零件，乙每时加工60个零件，甲、乙共同加工8时后，剩下的由甲单独完成，还要几时才能完成？
<gadget id="calculator">50 + 60</gadget>
<output>110</output>

<gadget id="calculator">110 * 8</gadget>
<output>880</output>

<gadget id="calculator">1_530 - 880</gadget>
<output>650</output>

<gadget id="calculator">650 / 50</gadget>
<output>13</output>

<result>13</result>