Before short reply RC, mana on worksinsane account:

Resource Credits
max_mana 28,229,656,003
current_mana 27,893,597,533
current_pct 98.81%
adjustment 203.057464 VESTS
Enough credits for approximately:
17 comments
98 votes
100+ transfers
100% recharged in 1 hour

After short reply:

Resource Credits
max_mana 28,229,656,003
current_mana 26,304,879,630
current_pct 93.18%
adjustment 203.057464 VESTS
Enough credits for approximately:
16 comments
92 votes
100+ transfers
100% recharged in 8 hours

If I calculated right (entered the digits correctly on my calculator), previous short reply took 1,588,717,903 mana.
According to https://steemd.com/@worksinsane the approx costs are:
comments 1,570,000,000
votes 284,000,000
transfers 256,000,000

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And I'm adding here a bit more text just to be sure that this is much longer reply than the previous one. One never knows about comments. They could suddenly become incredibly long. I hope this does it.