Uncle workers make parts, 125 parts a day for the first 3 days, and 160 parts a day after that, how many parts does uncle workers make in total in a week?
工人叔叔做零件，前3天每天做125个，以后每天做160个，一星期工人叔叔共做零件几个？
<gadget id="calculator">125 * 3</gadget>
<output>375</output>

<gadget id="calculator">7 - 3</gadget>
<output>4</output>

<gadget id="calculator">4 * 160</gadget>
<output>640</output>

<gadget id="calculator">375 + 640</gadget>
<output>1_015</output>

<result>1_015</result>