On the Arbor Day on March 12 this year, the Luji Neighborhood Committee planted 20 rows of pine trees, 32 in each row, and 180 cypress trees. How many pine and cypress trees are planted?
今年的3月12日植树节，陆集居委会栽了20行松树，每行32棵；还栽了180棵柏树．栽的松树和柏树一共有多少棵？
<gadget id="calculator">32 * 20</gadget>
<output>640</output>

<gadget id="calculator">640 + 180</gadget>
<output>820</output>

<result>820</result>