Given that 3x-6=5x-10, then 4x+7=how much.
已知3x-6=5x-10，则4x+7=多少．
<gadget id="calculator">10 - 6</gadget>
<output>4</output>

<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">8 + 7</gadget>
<output>15</output>

<result>15</result>