每例需增加随访费用50元，共计840×50=42000元。的翻译：Each additional follow-up costs 50 Yuan, a total of $ 840x50=42000. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Need to increase the cost per patient follow-up 50, a total of 840 × 50 = 42000 yuan.

Each additional follow-up costs 50 Yuan, a total of $ 840x50=42000.

Each example must increase the revisit expense 50 Yuan, total 840×50=42000 Yuan.

Accompanying the increased cost for each case, for a total $50 840 x 50 = $42,000 .

Each additional follow-up costs 50 Yuan, a total of $ 840x50=42000.