**Objective**: Given a number n and k, Calculate n * k^{2} without using pow() or *operator.

**Example**:

N = 3, k = 4 N*k^{2}= 48

**Approach**: Bit Manipulation

Left shift the number N by k.

For example, N = 3 Bit representation: 0 1 1 Left shift by k = 4 0 1 1 0 0 0 0 which is the representation of 48.

**Java Code**:

**Output**:

Number 3 Multiplied by 2^4 is: 48

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