Michael wants to lose 10 pounds by June. He lost 3 pounds in March and 4 pounds in April. How much weight does he have to lose in May to meet his goal?
In March and April, he lost 3 + 4 = 
<gadget id="calculator">3+4</gadget>
<output>7</output>
7 pounds.
To meet his goal, he needs to lose 10 - 7 = 
<gadget id="calculator">10-7</gadget>
<output>3</output>
3 pounds.

<result>3</result>