A processes 54 parts per hour, B processes 45 parts per hour, A and B work together for 6 hours, and there are still 83 parts left to be processed. How many parts are there in total?
甲每小时加工54个零件，乙每小时加工45个零件，甲、乙共同加工6小时，还剩83个零件没加工完，这批零件共有多少个？
<gadget id="calculator">54 + 45</gadget>
<output>99</output>

<gadget id="calculator">99 * 6</gadget>
<output>594</output>

<gadget id="calculator">594 + 83</gadget>
<output>677</output>

<result>677</result>