Respuesta :

10(122(13)(12))=10(122)(156)=(10)(19032)=190320
Hope  You understand
This is just basic multiplication.
10[122(13 × 12)]

Do the parenthesis first : 13 × 12 = 156
10( 122 × 156 )

122 × 156 = 19032

10(19032)

10 × 19032 = 190320

The awnser is : 190,320 hope it helps :)