90% fail to answer
1 + 1 + 1 + 1 + 1
1 + 1 + 1 + 1 + 1
1 + 1 x 0 + 1 = ?
30 is the answer because it shows you like that but if you write it like in rows like this
1+1+1+1+11+1+1+1+11+1x0+1=? you will totally see the answer and the answer is 30