Procedure:
Step 1 – Open a blank work sheet in LibreOffice Calc
Step 2 – Enter the following details in respective cells

Step 3 – Enter any value in cell A2; then the result will be in cell B2.
Output:
Cell value |
Result |
18 |
18 |
37 |
74 |
115 |
Enter value less than 100 |
85 |
340 |