YOU SAID:

My grandma is riding her motorcycle while she is eating eight scoops of ice cream

INTO JAPANESE

私の祖母はアイスクリームを8杯食べながらバイクに乗っています

BACK INTO ENGLISH

My grandmother is riding a motorcycle while eating eight ice creams.

INTO JAPANESE

私の祖母はアイスクリームを8個食べながらバイクに乗っています。

BACK INTO ENGLISH

My grandmother is riding a motorcycle while eating 8 ice creams.

INTO JAPANESE

私の祖母はアイスクリームを8個食べながらバイクに乗っています。

BACK INTO ENGLISH

My grandmother is riding a motorcycle while eating 8 ice creams.