A football club has a balance of $100 million. The club then sells 2 of its players at $10 million each, and buys 4 more at $15 million each. How much money is left in the club register in millions of dollars?
The 2 players are sold for a total of 2*10 = $
<gadget id="calculator">2*10</gadget>
<output>20</output>
20 million.
So the club has 100 + 20 = $
<gadget id="calculator">100+20</gadget>
<output>120</output>
120 million.
The cost of buying 4 more players at $15 million each is 4*15 = $
<gadget id="calculator">4*15</gadget>
<output>60</output>
60 million.
So the club now has 120 - 60 = $
<gadget id="calculator">120-60</gadget>
<output>60</output>
60 million.

<result>60</result>