Greg is riding his bike around town and notices that each block he rides, his wheels rotate 200 times. He's now on a a trail and wants to make sure he rides at least 8 blocks. His wheels have already rotated 600 times, how many more times do they need to rotate to reach his goal?
They need to rotate 1,600 times because 8 x 200 = 
<gadget id="calculator">8*200</gadget>
<output>1_600</output>
1,600.
They need to rotate 1,000 more times because 1,600 - 600 = 
<gadget id="calculator">1600-600</gadget>
<output>1_000</output>
1,000.

<result>1_000</result>