Repair slips
A
312
B
124
Id
C01
Job
join
Reason
Name both parts and the whole.
Complete source
A fictional repair desk receives 312 paper slips and 124 more of the same kind.
Status
Original fictional ordinary practice; teach source/help before any own application.
Title
Repair slips
After own work: adult practice possibility
436 slips: 300+100+10+20+2+4=436.