Tamil Maths story jokes

Maths story:
A guy travelling in a deluxe car in the desert. He wants to take bath but he has not got a soap and there is no water.

What does he do?
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.
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He will integrate his 'd-lux' car to get 'lux + c'. Using the lux soap he will bath in the 'c'.
Itha vida kodumaiya maths poda mudiyuma.?cool.