Этот конфликт сложный, практически неразрешимый. И никакого успеха посредничество в нем не сулит
This robot vacuum and mop offers twice the suction than some of Bissell's other models, with up to 30% more hair pickup and a brush roll that's meant to never tangle. Plus, it uses LiDAR navigation to make a path through your home so you don't have to, all the while picking up all the fur, hair, and other dirt and debris without your input.
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Apple unveils new Studio Display and all-new Studio Display XDR
If you wanted to find an exact match, you could try aideal = r · b; this makes the a / b fraction equal to r · b / b = r. That said, r · b might not be an integer (or even a rational number), so even without the added constraint, the approach is usually a bust.