To process a batch of parts, it has been done for 5 days, 120 parts are made every day, and there are still 700 parts left unfinished. How many parts are in this batch?
要加工一批零件，已经做了5天，每天做120个，还有700个没做．这批零件多少个？
<gadget id="calculator">120 * 5</gadget>
<output>600</output>

<gadget id="calculator">600 + 700</gadget>
<output>1_300</output>

<result>1_300</result>