Kwame studied for the history test for 2.5 hours. Connor studied for 1.5 hours and Lexia studied for 97 minutes. How many minutes more did Kwame and Connor study than Lexia?
Kwame = 2.5 hours * 60 minutes = 
<gadget id="calculator">2.5*60</gadget>
<output>150</output>
150 minutes.
Connor = 1.5 hours * 60 minutes = 
<gadget id="calculator">1.5*60</gadget>
<output>90</output>
90 minutes.
Kwame + Connor = 150 + 90 = 240 minutes
240 - 97 = 
<gadget id="calculator">240-97</gadget>
<output>143</output>
143 minutes.
Kwame and Conner studied 143 minutes more than Lexia.

<result>143</result>