YOU SAID:
The 40 houses of sand are exploding.
INTO JAPANESE
40軒の砂が爆発している。
BACK INTO ENGLISH
Forty sands are exploding.
INTO JAPANESE
40個の砂が爆発しています。
BACK INTO ENGLISH
40 pieces of sand are exploding.
INTO JAPANESE
40個の砂が爆発しています。
BACK INTO ENGLISH
40 pieces of sand are exploding.
You've done this before, haven't you.