"Shanmei", "Shuimei" and "Renren" in the following formula represent three two-digit numbers. The same Chinese characters represent the same number, and different Chinese characters represent different numbers. (Shanmei + Shuimei) * Ren People = 2002, then what is the sum of the 4 numbers represented by "mountain, water, man, beauty".
下面算式中的"山美"、"水美"、"人人"表示3个两位数，相同的汉字代表相同的数字，不同的汉字代表不同的数字则(山美+水美)*人人=2002，那么"山、水、人、美"所表示的4个数的和是多少．
<gadget id="calculator">9 + 8 + 1 + 6</gadget>
<output>24</output>

<result>24</result>