For some reason I decided to estimate how much money that huge block of cash would actually contain, since I was doubtful it was an accurate representation of what 1 trillion yen in cash would actually look like. Based on some simple guesses I felt that it couldn't possibly contain more than about 144 billion yen.
Presumably it's all 10,000 yen bills, 24 stacks wide and 10 stacks long for 240 individual stacks. For the pile to contain 1 trillion yen each stack would need to be 416666 bills tall. I looked it up and a Japanese banknote is approximately 0.1mm thick, so the stack would need to be over 41 meters tall to actually contain 1 trillion yen.
I thought this was just something you have to suspend your disbelief for, but then Zero somehow concludes that 1 trillion is 1/1000th or 0.1% of 100 trillion, and that's when I suspected that the translation might be mistaken. I ended up looking up the raws and sure enough, the stack is said to be worth "一千億" (ichisenoku) yen i.e. 100 billion, not 1 trillion.
So, if you were confused like I was, there you go!