A makes 125 parts per hour, and B makes 75 parts per hour. If both of them make 8 hours each, how many parts can they make in total?
甲每小时做125个零件，乙每小时做75个零件，如果两人各做了8小时，一共可以做多少个零件？
<gadget id="calculator">125 + 75</gadget>
<output>200</output>

<gadget id="calculator">200 * 8</gadget>
<output>1_600</output>

<result>1_600</result>