Bert was able to sell 8 toy phones for $18 each, while Tory was able to sell 7 toy guns for $20 each. How much more did Bert earn than Tory?
Bert was able to earn 8 x $18 = $
<gadget id="calculator">8*18</gadget>
<output>144</output>
144 for the toy phones.
While Tory was able to earn 7 x $20 = $
<gadget id="calculator">7*20</gadget>
<output>140</output>
140 for the toy guns.
Therefore, Bert was able to earn $144 - $140 = $
<gadget id="calculator">144-140</gadget>
<output>4</output>
4 more than Tory.

<result>4</result>