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A Playstation 4 and its controllers  - 

20 sharks. 23. $3,000. 7.5. 3.4 million. $579. 10.1 million. 8. 4 years. 16. Do you know what these numbers mean?

The numbers mean it's time for Silicon Tally again, Marketplace Tech's weekly quiz.

This week, Ben puts Ste Curran, host of the gaming radio show One Life Left in London, to the test.

 You can play along below. Click the audio player above to hear how Ben and Ste did.

Follow Ben Johnson at @@TheBrockJohnson