10000×1000-1818880÷(87×78-412300÷70)×970

To calculate the expression 10000×1000-1818880÷(87×78-412300÷70)×970, follow the order of operations (also known as PEMDAS):

First, perform the division inside the parentheses: 412300 ÷ 70 = 5890

Next, evaluate the multiplication inside the parentheses: 87×78 = 6786

Then, subtract the result of the division with the multiplication: 6786 - 5890 = 896

Now, we have the expression as: 10000×1000 - 1818880 ÷ 896 × 970

Divide 1818880 by 896: 1818880 ÷ 896 = 2030

Multiply 10000 by 1000: 10000 × 1000 = 10000000

Finally, multiply the result by 970, considering the division first: 2030 × 970 = 1972100

The result of the expression 10000×1000-1818880÷(87×78-412300÷70)×970 is 1,972,100.