A workshop needs to produce a batch of parts. On average, 60 pieces are produced every day, and 350 pieces are left after 5 days. How many parts are in this batch?
一个车间要生产一批零件．平均每天要生产60个，5天后还剩下350个没有生产．这批零件共多少个？
<gadget id="calculator">60 * 5</gadget>
<output>300</output>

<gadget id="calculator">300 + 350</gadget>
<output>650</output>

<result>650</result>