floating point - java-Not getting the result with decimal places -

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• why integer division code give wrong answer? 4 answers

i doing simple calculation in java. expected result 51.3348 getting 51.0, here calculation

    float percent = (7819140000l-3805200000l)*100/7819140000l; 

is problem datatype? how can resolve value 51.3348

thanks in advance

add f 1 of values:

float percent = (7819140000l-3805200000l)*100f/7819140000l; 

if yiu not it, java make devision long values