Subtract the product of 4.4 and 5 from a number, and the difference is 16. Find this number.
一个数减去4.4与5的积，差是16，求这个数．
<gadget id="calculator">4.4 * 5</gadget>
<output>22</output>

<gadget id="calculator">16 + 22</gadget>
<output>38</output>

<result>38</result>