###Human: Sandro has six times as many daughters as sons. If he currently has three sons, how many children does he have?, ### Assistant: If Sandro has three sons, the total number of daughters, six times the number of sons, is 3 sons * 6 daughters/son = 18 daughters.
The total number of children is 18 daughters + 3 sons = 21 children. 
 So the answer is :  21