6 times a number minus the product of 1.2 times 4, the difference is 3.3, what is this number?
一个数的6倍减去1.2乘4的积，差是3.3，这个数是多少？
<gadget id="calculator">1.2 * 4</gadget>
<output>4.8</output>

<gadget id="calculator">4.8 + 3.3</gadget>
<output>8.1</output>

<gadget id="calculator">8.1 / 6</gadget>
<output>1.35</output>

<result>1.35</result>