human
Because _a divided by b_ equals _c divided by d_, he murmured,
gpt
I have it! What a double-distilled ass I am! Of course it is simple enough. If _a divided by b_ equals _c divided by d_, and _a_ and _b_ be prime to each other, _c_ and _d_ are equimultiples of _a_ and _b_. Of course they are; how could they be anything else? The other fellows saw it at once, no doubt. What a lot of trouble it gives one to be a fool! Now, I'll go and practise bowling.