Sentence:  The prices range from 120 <WSD>tangas</WSD> = Rupees 25 to 400 <WSD>tangas</WSD> = Rupees 80. 
Meaning of the word marked with <WSD> tags:  Any of various former Asian coins, including: a coin of Portuguese India equal to 1/10th of a Rupee, a gold coin of India issued by various Muslim rulers, a silver coin of India, also issued by Muslim rulers, a former silver coin of Tibet.