What is the sum of the quotient of 7.5 divided by 2.1 plus the product of 3.6 and 2.5?
7.5除2.1的商再加上3.6与2.5的积，和是多少．
<gadget id="calculator">2.1 / 7.5</gadget>
<output>0.28</output>

<gadget id="calculator">3.6 * 2.5</gadget>
<output>9</output>

<gadget id="calculator">0.28 + 9</gadget>
<output>9.28</output>

<result>9.28</result>