a work which could be finished in 7 days was finished 3 days earlier after 10 more men joined. the number of men employed was? Pick one:  A) 22  B) 20  C) 60  D) 71  E) 11
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">7 - 6</gadget>
<output>1</output>

<gadget id="calculator">60 / 1</gadget>
<output>60</output>

<result>C</result>
a work which could be finished in 7 days was finished 3 days earlier after 10 more men joined. the number of men employed was?
divide(multiply(multiply(3, const_2), 10), subtract(7, multiply(3, const_2)))
"x - - - - - - - 7 ( x + 10 ) - - - - 6 x * 7 = ( x + 10 ) 6 x = 60 \ answer : c"