Venus and Mercury revolving around the sun are on the same straight line with the sun at a certain moment. It is known that Mercury takes 88 days to go around the sun, and Venus takes 225 days to go around the sun. How many days will it take for the three celestial bodies to be on the same straight line again?
绕太阳旋转的金星和水星在某一瞬间与太阳在同一直线上，已知水星绕太阳一周要88天，金星绕太阳一周要225天．要隔多少天三个天体才能又在同一直线上？
<gadget id="calculator">88 * 225</gadget>
<output>19_800</output>

<result>19_800</result>