After the price of a kind of instant noodles is increased by 10%, each bag is 3.3 yuan, what is the correct formula for the original price of each bag
一种方便面提价10%后，每袋3.3元，求原来每袋价钱的正确算式是多少
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">3.3 / (11/10)</gadget>
<output>3</output>

<result>3</result>