Divide 94.5 by the difference between 3.8 and 1.7, and multiply by 1.8. What is the result?
94.5除以3.8与1.7的差，再乘1.8，结果是多少？
<gadget id="calculator">3.8 - 1.7</gadget>
<output>2.1</output>

<gadget id="calculator">94.5 / 2.1</gadget>
<output>45</output>

<gadget id="calculator">45 * 1.8</gadget>
<output>81</output>

<result>81</result>