Umm someone isn't able to count decimal places, 0.02 - 0.04 kilotons is 20 - 40 tons of TNT; in the article one or the other is wrong. Wikipedia seems to imply

Umm someone isn't able to count decimal places, 0.02 - 0.04 kilotons is 20 - 40 tons of TNT; in the article one or the other is wrong. Wikipedia seems to imply that the yield was supposed to be equate to 72 tons of TNT.