Mr. Llesis kept 50 x 7/10 = <<50*7/10=35>>35 kilograms of rice.

So, he gave 50 - 35 = <<50-35=15>>15 kilograms of rice to Mr. Everest.

Therefore, Mr. Llesis kept 35 - 15 = <<35-15=20>>20 kilograms more than Mr. Everest.

# Answer

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<|im_start|>system
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<|im_start|>user
Mr. Llesis had 50 kilograms of rice. He kept 7/10 of it in storage and gave the rest to Mr. Everest. How many kilograms of rice did Mr. Llesis keep than Mr. Everest?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
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user
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Mr. Llesis had 50 kilograms of rice. He kept 7/10 of it in storage and gave the rest to Mr. Everest. How many kilograms of rice did Mr. Llesis keep than Mr. Everest?
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