what is the max number of rectangular boxes, each measuring 5 inches by 2 inches by 7 inches, that can be packed into a rectangular packing box measuring 15 inches by 20 inches by 35 inches, if all boxes are aligned in the same direction?  Answers:  A) 200  B) 350  C) 100  D) 150  E) 120
<gadget id="calculator">15 * 20</gadget>
<output>300</output>

<gadget id="calculator">300 * 35</gadget>
<output>10_500</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">10 * 7</gadget>
<output>70</output>

<gadget id="calculator">10_500 / 70</gadget>
<output>150</output>

<result>D</result>
what is the max number of rectangular boxes, each measuring 5 inches by 2 inches by 7 inches, that can be packed into a rectangular packing box measuring 15 inches by 20 inches by 35 inches, if all boxes are aligned in the same direction?
divide(multiply(multiply(15, 20), 35), multiply(multiply(5, 2), 7))
"the 5 inch side should be aligned to the 15 inch side ( 3 layer ) 2 inch side should be aligned to the 20 inch side . ( 10 layer ) 7 inch side should be aligned to the 35 inch side . ( 5 layer ) maximum number of rectangles = 3 * 10 * 5 = 150 answer is d"