设计一个程序实现两个任意长的整数（包括正数和负数）、任意精度实数的算术运算。求两数之商、之积。 -Design a program to achieve two arbitrary length integer (including positive and negative), arbitrary-precision arithmetic of real numbers. Seeking a number of the two operators of the plot.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001922s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.095419s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002061s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002090s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003613s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001947s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014388s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002148s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 164382 [ RunTime:0.001190s ]
