Strange calculation that very few people answer correctly

Use your intelligence and reasoning to calculate to find the correct answer for this math problem. Pay attention to the rules of priority of calculations to be able to give the correct answer.

Can you calculate this?

Most players fail because of lack of calm and haste. So you should be careful to calculate the exact result.

Quickly register yourself in the top smartest people by leaving your answer in the comment box below.

Trung Temple

Source: https://vtc.vn/phep-tinh-la-rat-it-nguoi-tra-loi-dung-ar836951.html