Give points according to the steps. Your first question will only get a score in the first question. If the result is wrong, it will definitely not exceed 3 points.
The second big question, only the result is wrong, then deduct 1~2 points as appropriate.
In addition, computer marking is generally multiple-choice questions, and the big questions have not yet reached the level of computer marking.
Or manually marked,
Or semi-automatic marking, that is, the teacher marks your paper on the computer and scans it.