Question: 1 0 0 times a random 5 1 2 B sector is read. Then we do some CPU processing, and then a 5 1 2

100 times a random 512B sector is read. Then we do some CPU processing, and then a 512B sector is written. CPU processing is 20M cycles on a 1GHz CPU. Disk is 7200RPM, max seek time 6ms,transfer rate 25,600,000B/s, sector 512B, controller overhead 2ms.How many ms to complete this task?

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