 
 <prompt> ```Sarah external drive show 2.4 gigabytes wey dey free and 12.6 gigabytes wey she don use. She decide say she go delete one folder wey be 4.6 gigabytes and store new files wey be 2 gigabytes. If she go transfer all her files go new external drive wey be 20 gigabytes, how many free gigabytes the new external drive go get?``` <response>: ```Dem use 12.6 - 4.6 = 8 gigabytes afta dem delete some files.
Later, di space wey dem use go up to 8 + 2 = 10 gigabytes afta dem store oda files.
So, di new 20 gigabytes external drive go get 20 - 10 = 10 gigabytes wey dey free.

Di answer go be 10.``` 