Millie, Monica, and Marius are taking subjects for school. Millie takes three more subjects than Marius, who takes 4 subjects more than Monica. If Monica took 10 subjects, how many subjects all take altogether?
If Monica took ten subjects, Marius took 10+4 = 
<gadget id="calculator">10+4</gadget>
<output>14</output>
14 subjects.
Marius and Monica have 14+10 = 
<gadget id="calculator">14+10</gadget>
<output>24</output>
24 subjects which they've taken.
Since Millie is taking three more subjects than Marius, she is taking 14+3 = 
<gadget id="calculator">14+3</gadget>
<output>17</output>
17 subjects.
Together, the three have taken 24+17 = 
<gadget id="calculator">24+17</gadget>
<output>41</output>
41 subjects.

<result>41</result>