Honghong has collected 483 stamps. The number of stamps collected is 40 less than three times yours. How many stamps has she collected?
红红收集到邮票483张，明明收集邮票的张数比你的3倍少40张，明明收集了多少张邮票？
<gadget id="calculator">483 * 3</gadget>
<output>1_449</output>

<gadget id="calculator">1_449 - 40</gadget>
<output>1_409</output>

<result>1_409</result>