A local restaurant recently renovated its dining space, purchasing new tables and chairs to use in addition to the original tables and chairs. The new tables each seat six customers, while the original tables each seat four customers. Altogether, the restaurant now has 40 tables and is capable of seating 216 customers. How many more new tables than original tables does the restaurant have?  Choose the correct choice from the following choices
A) 10
B) 16
C) 24
D) 32
E) 36
If all the tables seated 4, the number of customers could be  4*40= 
<gadget id="calculator"> 4*40</gadget>
<output>160</output>
160.   216-160= 
<gadget id="calculator">216-160</gadget>
<output>56</output>
56, so  56/2= 
<gadget id="calculator"> 56/2</gadget>
<output>28</output>
28 tables must be tables seating 6 people.   The number of tables seating 4 people is   40-28= 
<gadget id="calculator">  40-28</gadget>
<output>12</output>
12.   The number of new tables is  28-12= 
<gadget id="calculator"> 28-12</gadget>
<output>16</output>
16 more than the number of old tables.   The answer is 16.
<result>B</result>
A local restaurant recently renovated its dining space, purchasing new tables and chairs to use in addition to the original tables and chairs. The new tables each seat six customers, while the original tables each seat four customers. Altogether, the restaurant now has 40 tables and is capable of seating 216 customers. How many more new tables than original tables does the restaurant have?