Answer:
3120
Step-by-step explanation:
Step 1: 0 multiply by 8 give 0
Step 2: 0 multiply by 7 give 0
Step 3: put the number 0 in the right side
Step 4: 4 multiply by 8 give 32
Step 5: add the number 3 to the answer we are going to get for 4 multiply by 7 which is 28+3=31