DB<44> $num1 = '001990'; $num2 = '19.9'

  DB<45> p $num1 == ("" . $num2*100)                                          
1 
  DB<46> $num2 = '19.900'

  DB<47> p $num1 == ("" . $num2*100)
1

  DB<60> $num1 = '199e1'

  DB<61> p $num1 == ("" . $num2*100)
1