What is the quotient of multiplying 2.3 by the sum of 3.8 and 4.2, and dividing the product by 0.25?
2.3乘3.8与4.2的和，所得的积再除以0.25，商是多少？
<gadget id="calculator">3.8 + 4.2</gadget>
<output>8</output>

<gadget id="calculator">2.3 * 8</gadget>
<output>18.4</output>

<gadget id="calculator">18.4 / 0.25</gadget>
<output>73.6</output>

<result>73.6</result>