What is the standard form of the number shown in this caculator display? 3.82eplus7

3.82 E+7 is just an engineering format, another way to write it will be 3.82 x 10⁷ in scientific format, or just 3.82 x 10000000 <-- - notice, seven zeros.

and the product of the above is just 38200000, or standard form.