need a step by step instruction on how I would enter task in Excel please:

1. In cell B8, create formula without using a function that multiplies the value in cellB7by the value in cellB6and then adds the value inB7. In this formula, use a mixed reference for cell B6 by including an absolute reference to row 6. Copy the formula from cell B8 to the range B9:B11 and then copy the formulas from the range B8:B11 to the range C8:H11.