// NPCR1 Textbook 0 extra
零		líng			zero
百		bǎi			hundred
千		qiān			thousand
万		wàn			ten thousand
十万		shí wàn			hundred thousand
一百万		yībǎi wàn		one million
一千万		yīqiān wàn		ten million
亿		yì			hundred million
十亿		shí yì			one billion