Calculation: (450/(7.5))-(15+7.5*0.6)
计算：(450/(7.5))-(15+7.5*0.6)
<gadget id="calculator">450 / 7.5</gadget>
<output>60</output>

<gadget id="calculator">7.5 * 0.6</gadget>
<output>4.5</output>

<gadget id="calculator">15 + 4.5</gadget>
<output>19.5</output>

<gadget id="calculator">60 - 19.5</gadget>
<output>40.5</output>

<result>40.5</result>