When 7 identical marbles were placed on a scale, and it read 50.68 grams (g). If you put 1 marble on the scale, what number will the scale indicate?
50.68 7 [OP_DIV]
var_a = 50.68
var_b = 7
var_c = var_a / var_b
print('{:.2f}'.format(round(var_c+1e-10,2)))