20 men take 21 days of 8 hours each to do a piece of work. how many days of 6 hours each would 21 women take to do the same. if 3 women do as much work as 2 men?	Choose the correct answer:
A) 32
B) 87
C) 40
D) 99
E) 77
<gadget id="calculator">21 * 8</gadget>
<output>168</output>

<gadget id="calculator">20 * 3</gadget>
<output>60</output>

<gadget id="calculator">168 * 60</gadget>
<output>10_080</output>

<gadget id="calculator">21 * 2</gadget>
<output>42</output>

<gadget id="calculator">42 * 6</gadget>
<output>252</output>

<gadget id="calculator">10_080 / 252</gadget>
<output>40</output>

<gadget id="calculator">floor(40)</gadget>
<output>40</output>

<gadget id="calculator">40 + 1</gadget>
<output>41</output>

<result>C</result>
20 men take 21 days of 8 hours each to do a piece of work. how many days of 6 hours each would 21 women take to do the same. if 3 women do as much work as 2 men?
add(floor(divide(multiply(multiply(21, 8), multiply(20, 3)), multiply(multiply(21, 2), 6))), const_1)
"3 w = 2 m 20 m - - - - - - 21 * 8 hours 21 w - - - - - - x * 6 hours 14 m - - - - - - x * 6 20 * 21 * 8 = 14 * x * 6 x = 40 answer : c"