Enable `Math::N` in bin/console #47

Job	Run time
ruby-versions / Generate Ruby versions	4s
build (3.4, macos-latest)	10s
build (head, ubuntu-latest)	7s
build (3.4, ubuntu-latest)	8s
build (head, macos-latest)	12s
build (3.4, windows-latest)	2m 29s
	3m 10s

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