A furniture factory made 240 round tables, 180 square tables, and 20 more computer tables than the square table. How many round tables and computer tables did you make?
某家具厂做了圆桌240张，方桌180张，做的电脑桌比方桌的3倍还多20张．做的圆桌和电脑桌共多少张？
<gadget id="calculator">180 * 3</gadget>
<output>540</output>

<gadget id="calculator">540 + 20 + 240</gadget>
<output>800</output>

<result>800</result>