Lloyd earns $10 an hour on Math tutoring.  He tutored 5 hours for the first week and 8 hours for the second week. How much did he earn for the first two weeks?
Lloyd tutored 5 + 8 = 
<gadget id="calculator">5+8</gadget>
<output>13</output>
13 hours for the first two weeks.
Therefore, he earned 13 x $10 = $
<gadget id="calculator">13*10</gadget>
<output>130</output>
130 for the first two weeks.

<result>130</result>