五倍

liǎng guó de mào yì liàng zēng jiā le wǔ bèi

两国的贸易量增加了五倍。

Trade between the two countries has increased five times over.

yī piàn miàn bāo de jià qián zhǎng le wǔ bèi

一片面包的价钱涨了五倍。

The cost of a loaf of bread has increased fivefold.