In the multiplication formula, one factor remains unchanged, and the other factor is multiplied by 10, what is the product?
在乘法算式中，一个因数不变，另一个因数扩大10倍，积多少．
<gadget id="calculator">3 * 10</gadget>
<output>30</output>

<gadget id="calculator">30 * 1.1</gadget>
<output>33</output>

<gadget id="calculator">3 * 1.1</gadget>
<output>3.3</output>

<gadget id="calculator">33 / 3.3</gadget>
<output>10</output>

<result>10</result>