Jack has 42 pounds, 11 euros, and 3000 yen. If there are 2 pounds per euro and 100 yen per pound, how much does Jack have in yen?
First convert the euros to pounds: 11 euros * 2 pounds/euro = 
<gadget id="calculator">11*2</gadget>
<output>22</output>
22 pounds.
Then add that amount to the amount Jack has in pounds: 22 pounds + 42 pounds = 
<gadget id="calculator">22+42</gadget>
<output>64</output>
64 pounds.
Then convert the pounds to yen: 64 pounds * 100 yen/pound = 
<gadget id="calculator">64*100</gadget>
<output>6_400</output>
6400 yen.
Then add that amount to the amount Jack has in yen: 6400 yen + 3000 yen = 
<gadget id="calculator">6400+3000</gadget>
<output>9_400</output>
9400 yen.

<result>9_400</result>