日本円はJapanese yenと言いますが、大体yenでも通じますね。
How much is ~ in Japanese yen?
〜は日本円でいくら
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How much is $100 in yen
$100は日本円で幾ら
How much is $2.76 million in yen?
$2.76 millionは日本円で幾ら
*$2.76 millionはtwo point seven six million dollarsで読みます
How much is this in yen?
これって日本円で幾ら?
ご参考になれば幸いです!