Calculating gas cost is triggered on each new digit entered

[peculiarity]

i.e. Scenario
0. Open dev tools.

1. Enter for sell token - 0.1
2. Put the cursor in front of the 1.
3. Start putting 0's.
4. Observe how many times Calculating gas cost is called.

Every time we change a digit ( remove / add ) gas calculation is triggered.

Implement a debounce function for the input.