Ali's class wants to order 35 English textbooks and 35 geography textbooks. Knowing that a geography book costs $10.50 and that an English book costs $7.50, what is the amount of this order?
The cost of the geography books is 35 * 10.5 = $
<gadget id="calculator">35*10.5</gadget>
<output>367.5</output>
367.5.
The cost of the English books is 35 * 7.5 = $
<gadget id="calculator">35*7.5</gadget>
<output>262.5</output>
262.5.
The total amount of the order is 367.5 + 262.5 = $
<gadget id="calculator">367.5+262.5</gadget>
<output>630</output>
630.

<result>630</result>