Question

calculate in doua moduri:

1000*1+100*4+10*0+1*2=?

Answer 1

1000*1=1000
100*4=400
10*0=0
1*2=2
rezulta ca
1000+400+0+2=1402

Answer 2

1000 +400+0+ 2=1402
1000+(100+100+100+100)+0+(1+1)=1402