57*93
At this point, some of the faint of heart may be reaching for their calculators. Be strong, you can handle this using the vedic technique with relative ease (and considerably less writing) than that which you probably learned in elementary school.
Step 1 : Tens digits : 5*9 = 45 .
Step 2 : Unit digits : 7*3 = 21.
Step 3 : Tens digit and Unit digit : 5*3 = 15 .
Step 4 : Unit digit and Tens digit : 7*9 = 63 .
Step 5 : From above steps .
57 * 93 = 45 21
6 3
1 5
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5301
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