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[null,null,null,"Units","Total",null,null,null," Ctrl + Shift + Enter"]
["book1","20 KB",null,"KB",{"$f":"SUM(IF(ISNUMBER(FIND(D2,$B$2:$B$9)),VALUE(LEFT($B$2:$B$9,FIND(D2,$B$2:$B$9)-1)),0))","v":44}]
["book2","3 GB",null,"MB",{"$f":"SUM(IF(ISNUMBER(FIND(D3,$B$2:$B$9)),VALUE(LEFT($B$2:$B$9,FIND(D3,$B$2:$B$9)-1)),0))","v":23}]
["book3","22 TB",null,"GB",{"$f":"SUM(IF(ISNUMBER(FIND(D4,$B$2:$B$9)),VALUE(LEFT($B$2:$B$9,FIND(D4,$B$2:$B$9)-1)),0))","v":3}]
["book4","23 MB"]
["book5","24 KB"]
[]
[]
["Book 20, Pencil 30, Rule 10",null,null,null,{"$f":"SumNumbers((A9))","v":60}]
["Book 20, Pencil 30, Rule 11",null,null,null,{"$f":"SumNumbers((A10))","v":61}]
["Book 20, Pencil 30, Rule 12",null,null,null,62]
["Book 20, Pencil 30, Rule 13",null,null,null,63]