To solve the problem, we first need to calculate the sum of all numbers in the given table.

Step 1: List the data rows and their sums

The table has 6 data rows (rows 2 to 7):

• Row 2: 1+2+3+4+5+6 = 21
• Row 3: 2+3+4+5+6+7 = 27
• Row 4: 3+4+5+6+7+8 = 33
• Row 5: 4+5+6+7+8+9 = 39
• Row 6: 5+6+7+8+9+10 = 45
• Row 7: 6+7+8+9+10+11 = 51

Step 2: Sum all the row totals

Total sum = 21 + 27 + 33 + 39 + 45 + 51 = 216

Answer: 216

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