Help me please I need to know this

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?