#### Answer

$684

#### Work Step by Step

To find the total cost, we multiply the price per earplug by the number of earplugs: $6 x 114
1. Multiply 4 x 6 = 24. Write 4 in the ones place and carry over the 2.
2. Multiply 1 x 6 = 6. Add the 2 carried over: 6 + 2 = 8
3. Multiply 1 x 6 = 6
The answer is 684