When a number is multiplied by 4, the little sloppy mistakenly regards the multiplication sign as a plus sign, and the result is 209. What is the correct product?
一个数乘以4，小马虎把乘号错看成了加号，得到的结果是209．正确的积是多少？
<gadget id="calculator">209 - 4</gadget>
<output>205</output>

<gadget id="calculator">205 * 4</gadget>
<output>820</output>

<result>820</result>