Answer :

Okay, 2*4= 8 

(How to multiply.. Just add 2 four times like this: 2+2+2+2=8)

Now, just multiply 8 * 9= 72

( how to multiply.. add 8 nine times: 8+8+8+8+8+8+8+8+8=72

so now 2*4*8=72 Hope this helps :)

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