Have seen that before. Quite amazing. Given the time limit for calculation it's unexpected anyone would even contemplate spending time multiplying to high heaven then tearing it back down again.
I'm somewhat surprised that after her recent appearance in HIGNFY she hasn't been condemned as a 5C frothing trot by our resident Conservative spokesdrones.
James would not have got away with that under Murray's stewardship!
Did none hear him falter when giving his method?
"(3 x 100) - sorry, can I do (100 + 6)..."