1x8+1=9
12x8+2=98
123x8+3=987
1234x8+4=9876
12345x8+5=98765
123456x8+6=987654
1234567x8+7=9876543
12345678x8+8=98765432
123456789x8+9=987654321
◙ 37.037x1x3=111.111
37.037x2x3=222.222
37.037x3x3=333.333
37.037x4x3=444.444
37.037x5x3=555.555
37.037x6x3=666.666
37.037x7x3=777.777
37.037x8x3=888.888
37.037x9x3=999.999
◙ 1x9+2=11
12x9+3=111
123x9+4=1111
1234x9+5=11111
12345x9+6=111111
123456x9+7=1111111
1234567x9+8=11111111
12345678x9+9=111111111