what’s wrong with my computer?dad can you help me?let me have a look!it’ OK now.you’re great,you’re great ,dad.it’s a piece of cake.what does“it’s a piece of cake.”mean？

what’s wrong with my computer?dad can you help me?let me have a look!it’ OK now.you’re great,you’re great ,dad.it’s a piece of cake.what does“it’s a piece of cake.”mean？
what’s wrong with my computer?dad can you help me?let me have a look!it’ OK now.you’re great,
you’re great ,dad.
it’s a piece of cake.
what does“it’s a piece of cake.”mean？

what’s wrong with my computer?dad can you help me?let me have a look!it’ OK now.you’re great,you’re great ,dad.it’s a piece of cake.what does“it’s a piece of cake.”mean？
我的电脑肿么了,
爹爹你可以帮帮我么?
让我来看一看.
好了,现在好了
你真是太棒了!
这是小菜一碟啊!piece of cake、

我的电脑怎么了？
爸爸，你能帮助我吗？
让我来瞧瞧！
现在好了，
你真棒！

(⊙o⊙)…嘛意思……