John had $200. He gave 3/8 of his money to his mother and 3/10 to his father. How much money did John have left?
John's mother received 3/8 x $200 = $
<gadget id="calculator">3/8*200</gadget>
<output>75</output>
75.
His father got 3/10 x $200 = $
<gadget id="calculator">3/10*200</gadget>
<output>60</output>
60.
Thus, John gave a total of $75 + $60 = $
<gadget id="calculator">75+60</gadget>
<output>135</output>
135.
Therefore, John had $200 - $135 = $
<gadget id="calculator">200-135</gadget>
<output>65</output>
65 left.

<result>65</result>