Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
Tim buys a book of esoteric words.  He learns 10 words from it a day.  In 2 years the book has increased the number of words he knows by 50%.  How many words did he know originally?

### Response:
 Katika miaka 2 kuna siku 365*2=<<365*2=730>>730
Hivyo amejifunza maneno 730*10=<<730*10=7300>>7300
Alijua mara 2 ya idadi hiyo ya maneno awali
Hivyo alijua maneno 7300*2=<<7300*2=14600>>14600 awali