Start with \(4\times7\), which is \(28\), so write the \(8\) and carry the \(2\) to the tens column. \(4 \times 3 = 12\), but remember to add the carried \(2\) to get ...

After duplex numbers, let us learn multiplication by triplex numbers. As the name suggests, numbers like 111, 222, 333 are triplex numbers. The method is similar to that of multiplication by duplex ...

To multiply \(237\) by \(324\) without using a calculator, you can set it out like this: ...