12. Calculate the amount spent on fuel

A cab driver filled his car petrol tank with 42 litres of petrol on Monday. The next day, he filled the tank with 28 litres of petrol. If the cost of petrol is \(₹\)69 per litre, then how much amount did he spend all on petrol?

 

 

The amount the cab driver spent to buy petrol \(= ₹\).