LUCKY-SEVEN

700（七百）seven hundred
7,000（七千）seven thousand
70,000（七万）seventy thousand
7,000,000（七百万）seven million
77,777（数） seventy-seven thousand seven hundred seventy-seven
0.7（小数点）zero point seven
7.77（小数点）seven point seven seven
1/7（分数）one seventh
1/77（分数）one seventy-seventh
7月7日（日付）July 7th
7777年7月17日（日付）July 17th seventy-seven seventy-seven
7時07分（時間）seven seven
午前7時（時間）seven o’clock am
午後7時17分（時間）seven seventeen pm
7時17分前（時間）seventeen before seven（seventeen to seven）
7+7=14（計算）seven plus seven equals fourteen（seven plus seven is fourteen）
7-7=0（計算）seven minus seven equals zero
7×7=49（計算）seven times seven equals forty-nine
7÷7=1（計算）seven divided by seven equals one