It is a tool that pulls data and calculates size without instant page refresh with AJAX.
Multiplies the 3 input values received and automatically divides by 5000.
Salh Form library is used in it. To use form elements
$form -> fstart('form-id');
$form -> label('label-id','En','color:black');
$form -> input('kid1','text','btn btn-default','color:red;');
$form -> label('lb2','Boy','color:black');
$form -> input('kid2','text','btn btn-default','color:red');
$form -> label('lb3','Yukselik','color:black');
$form -> input('kid3','text','btn btn-default','color:red');
$form -> bttn('id2','Gonder','submit','btn btn-success','width:250px');
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