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

### Instruction:
Annie is a mother of 3 children: Mark, Matt, and Mike. She decided to give them some fruits. Mike received 3 oranges. Matt got twice as many apples, and Mark got as many bananas as Mike and Matt received fruits altogether. How many fruits do the three children have in total?

### Response:
Mike received 3 pieces of orange, so Matt received twice as many apples, which means 3 * 2 = <<3*2=6>>6 apples.
Mark received 6 + 3 = <<6+3=9>>9 bananas.
So in total, all children received 3 + 6 + 9 = <<3+6+9=18>>18 fruits.
#### 18