What is the product of the difference between 71 and 45, multiplied by the sum of 27 and 18?
71与45的差，乘27与18的和，积是多少？
<gadget id="calculator">71 - 45</gadget>
<output>26</output>

<gadget id="calculator">27 + 18</gadget>
<output>45</output>

<gadget id="calculator">26 * 45</gadget>
<output>1_170</output>

<result>1_170</result>