Question 751200
<pre>
You left out something because there are many
numbers that are less than 648, which is the
 product of 18 times the sum of 16 and 23.

I think the number you left out was a number that shuld go in the
blank below:

find the number that is ___ less than the product of 18 times the 
sum of 16 and 23.

Edwin</pre>