###Human: Louis has 5 oranges and 3 apples. Samantha has 8 oranges and 7 apples. If Marley has twice as many oranges as Louis and three times as many apples as Samantha, how many fruits in total does Marley have?, ### Assistant: Marley has twice as many oranges as Louis (who has 5 oranges) for a total of 2*5 = 10 oranges
He also has thrice as many apples as Samantha (who has 7 apples) for a total of 3*7 = 21 apples
Marley has a total of 10+21 = 31 fruits 
 So the answer is :  31