Answer
$20,352
Work Step by Step
To find the total cost, we multiply the price per drill set by the number of drill sets: $64 x 318
1. Multiply 318 x 4 = 1272
2. Add a zero below
3. Multiply 318 x 6 = 1908. (Write left of 0 so it is 19,080)
4. Add the two together: 1,272 + 19,080 = 20,352